{"title":"DCK 20V MAX Cordless Rotary Hammers","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong\u003eDCK 20V MAX Cordless Rotary Hammers\u003c\/strong\u003e are professional battery-powered drilling and chiselling tools designed for demanding work in concrete, masonry and other suitable materials. They form part of the DCK \u003cstrong\u003e20V MAX Drills \u0026amp; Fastening\u003c\/strong\u003e platform and combine cordless mobility with dedicated rotary-hammer mechanisms for applications that require more impact capability than a conventional drill or hammer drill. DCK positions the wider 20V MAX system for trade use and offers batteries across the platform from \u003cstrong\u003e2.0Ah to 12.0Ah\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe current DCK European Rotary Hammer category lists \u003cstrong\u003efive 20V MAX brushless cordless rotary hammer products\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eKRHDE20V-26\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eKRH20V-26\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eKDZC05-26L\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eKDZC04-24\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKRH20V-28\u003c\/strong\u003e \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese models differ in drilling capacity, impact energy, impact frequency, body design, vibration-control features, safety systems, dust-extraction options, battery configuration and package contents. For this reason, the 20V MAX designation should be understood primarily as the shared DCK cordless platform rather than as a single performance specification. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eWhat is a cordless rotary hammer?\u003c\/h3\u003e\n\u003cp\u003eA \u003cstrong\u003erotary hammer\u003c\/strong\u003e combines rotary drilling with a dedicated hammering mechanism. It is primarily selected for drilling harder mineral materials such as concrete and masonry and, on suitable models, for chiselling or light demolition work.\u003c\/p\u003e\n\u003cp\u003eThis makes a rotary hammer different from a standard Driver Drill or Driver\/Hammer Drill. A hammer drill adds an impact action to a conventional drill mechanism, while a rotary hammer is a separate tool category designed specifically around more intensive impact drilling. DCK maintains separate Driver\/Hammer Drill and Rotary Hammer categories within its 20V MAX range. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWhen regular concrete drilling, larger holes or chiselling work is required, a rotary hammer is therefore the more relevant DCK category to compare.\u003c\/p\u003e\n\u003ch3\u003eBrushless 20V MAX rotary hammers\u003c\/h3\u003e\n\u003cp\u003eAll five models currently shown in DCK’s European 20V MAX Rotary Hammer category are identified as \u003cstrong\u003eCordless Brushless Rotary Hammers\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eBrushless motor technology is important in battery-powered tools because motor control is handled electronically without conventional carbon brushes. DCK describes its brushless rotary-hammer motors as providing strong output, efficiency and durability. Individual machine performance still depends on the complete design, battery, impact mechanism and operating conditions. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eImpact energy – one of the key specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eImpact energy, measured in joules (J),\u003c\/strong\u003e is one of the most important specifications when comparing rotary hammers because it describes the energy delivered by each hammer impact.\u003c\/p\u003e\n\u003cp\u003eVerified DCK examples include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eKDZC04-24 – 2.8 J\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eKRH20V-26 – 2.8 J\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKDZC05-26L – 3.0 J\u003c\/strong\u003e \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA higher joule figure can be relevant for demanding concrete drilling and chiselling, but impact energy should not be considered alone. Drilling diameter, impact frequency, speed, tool weight, vibration control and the required application also matter.\u003c\/p\u003e\n\u003ch3\u003e24 mm and 26 mm concrete drilling capacity\u003c\/h3\u003e\n\u003cp\u003eThe model name often gives a useful indication of the concrete drilling class.\u003c\/p\u003e\n\u003cp\u003eFor example, DCK specifies:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKDZC04-24\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003emaximum concrete drilling: \u003cstrong\u003e24 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003esteel: 13 mm\u003c\/li\u003e\n\u003cli\u003ewood: 28 mm\u003c\/li\u003e\n\u003cli\u003eimpact energy: 2.8 J\u003c\/li\u003e\n\u003cli\u003eimpact frequency: 0–4500\/min\u003c\/li\u003e\n\u003cli\u003eno-load speed: 0–1000\/min. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eKDZC05-26L\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003emaximum concrete drilling: \u003cstrong\u003e26 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eimpact energy: 3.0 J\u003c\/li\u003e\n\u003cli\u003eimpact frequency: 0–4300\/min\u003c\/li\u003e\n\u003cli\u003eno-load speed: 0–1180\/min. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eKRH20V-26\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003emaximum concrete drilling: \u003cstrong\u003e26 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eimpact energy: 2.8 J\u003c\/li\u003e\n\u003cli\u003eimpact frequency: 0–5100\/min\u003c\/li\u003e\n\u003cli\u003eno-load speed: 0–1125\/min. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese are model-specific figures and should not be applied to every DCK rotary hammer.\u003c\/p\u003e\n\u003ch3\u003eThree operating modes\u003c\/h3\u003e\n\u003cp\u003eSeveral DCK 20V MAX rotary hammers use \u003cstrong\u003ethree operating modes\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003edrilling;\u003c\/li\u003e\n\u003cli\u003erotary hammer drilling;\u003c\/li\u003e\n\u003cli\u003edemolition \/ chiselling. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis allows one machine to cover different tasks, provided the selected accessory and operating mode are approved for the material.\u003c\/p\u003e\n\u003cp\u003eFor example, drilling mode can be used for suitable non-masonry applications when the machine and chuck arrangement support them. Rotary-hammer mode combines rotation with hammer action for concrete drilling. Demolition mode uses impact action without normal rotary drilling for appropriate chiselling work.\u003c\/p\u003e\n\u003cp\u003eNot every accessory should be used in every mode, so the exact model manual remains essential.\u003c\/p\u003e\n\u003ch3\u003eSafety clutch and Kickback Control\u003c\/h3\u003e\n\u003cp\u003eRotary hammers can generate significant reaction forces if a drill bit binds in the material. DCK therefore equips selected models with safety systems.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eKDZC05-26L\u003c\/strong\u003e includes a safety clutch function that DCK states automatically stops the machine when the drill bit becomes stuck. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eKRH20V-26\u003c\/strong\u003e adds what DCK calls \u003cstrong\u003eDual Protection\u003c\/strong\u003e, combining a mechanical system with electronic \u003cstrong\u003eKickback Control\u003c\/strong\u003e intended to reduce unwanted tool rotation during a bind-up situation. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese safety functions are model-specific and should not be assumed across every DCK rotary hammer.\u003c\/p\u003e\n\u003ch3\u003eDVR vibration reduction\u003c\/h3\u003e\n\u003cp\u003eSelected DCK rotary hammers use the manufacturer’s \u003cstrong\u003eDVR Vibration Control System\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eDCK specifies DVR on models including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKDZC05-26L;\u003c\/li\u003e\n\u003cli\u003eKRH20V-26;\u003c\/li\u003e\n\u003cli\u003eKRHDE20V-26. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe system is intended to reduce vibration transmitted during operation and improve user comfort. This can be particularly relevant when comparing machines for repeated concrete drilling.\u003c\/p\u003e\n\u003cp\u003eVibration exposure still depends on the actual task, accessory, material and duration of use, so users should follow the model-specific technical and safety documentation.\u003c\/p\u003e\n\u003ch3\u003eDust extraction with KRH20V-26\u003c\/h3\u003e\n\u003cp\u003eDust management is an important consideration when drilling concrete and other mineral materials.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eKRH20V-26\u003c\/strong\u003e is designed to work with the DCK \u003cstrong\u003eKDE20V-16 Dust Extraction Attachment\u003c\/strong\u003e. DCK specifies a HEPA filtration system for this attachment and states that it is designed specifically for use with the KRH20V-26. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eDCK also offers the \u003cstrong\u003eKRHDE20V-26 kit\u003c\/strong\u003e, which combines the rotary hammer with the dust extractor. Depending on kit version, the package includes either two 8.0Ah or two 6.0Ah batteries, a 4A charger and the dust-extraction attachment. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis makes the KRHDE version particularly relevant for users comparing complete drilling-and-dust-management packages rather than purchasing the rotary hammer alone.\u003c\/p\u003e\n\u003ch3\u003eWho are these products for?\u003c\/h3\u003e\n\u003cp\u003eDCK positions its 20V MAX drilling and fastening platform for trade use and professional users. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eDepending on the model and task, cordless rotary hammers can be relevant for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003econstruction professionals;\u003c\/li\u003e\n\u003cli\u003eelectrical and mechanical installers;\u003c\/li\u003e\n\u003cli\u003eplumbers and HVAC installers;\u003c\/li\u003e\n\u003cli\u003erenovation contractors;\u003c\/li\u003e\n\u003cli\u003econcrete and masonry workers;\u003c\/li\u003e\n\u003cli\u003eproperty and facility maintenance teams;\u003c\/li\u003e\n\u003cli\u003eusers drilling anchor and fixing holes;\u003c\/li\u003e\n\u003cli\u003eusers who already operate within the DCK 20V MAX battery platform.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe suitability of an individual model should always be evaluated from its drilling capacity, impact energy, weight and required working conditions.\u003c\/p\u003e\n\u003ch3\u003eMain applications\u003c\/h3\u003e\n\u003cp\u003eTypical rotary-hammer applications include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003edrilling holes in concrete;\u003c\/li\u003e\n\u003cli\u003edrilling suitable masonry materials;\u003c\/li\u003e\n\u003cli\u003epreparing holes for anchors and fixings;\u003c\/li\u003e\n\u003cli\u003einstallation work in walls, floors and ceilings;\u003c\/li\u003e\n\u003cli\u003edrilling penetrations for suitable construction installations;\u003c\/li\u003e\n\u003cli\u003echiselling and light demolition with models that support demolition mode;\u003c\/li\u003e\n\u003cli\u003esuitable drilling in wood or metal where the machine and chuck configuration support it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eApplication capability differs by model. For example, DCK explicitly specifies steel and wood drilling capacities for the KDZC04-24, while the KRH20V-26 product page focuses its maximum drilling-capacity specification on concrete. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eHow to choose the right DCK cordless rotary hammer\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e1. Start with maximum concrete drilling diameter\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf your normal work involves anchor holes or service penetrations, compare the hole sizes you actually need with the manufacturer's maximum drilling capacity.\u003c\/p\u003e\n\u003cp\u003eCurrent verified DCK examples include 24 mm and 26 mm machines. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Compare impact energy\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eImpact energy helps differentiate machines intended for different workloads. For example, KDZC04-24 and KRH20V-26 are rated at 2.8 J, while KDZC05-26L is rated at 3.0 J. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Check operating modes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf chiselling is required, verify that the selected model supports demolition mode. The verified KDZC04-24, KDZC05-26L and KRH20V-26 all provide three operating modes. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Compare safety systems\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor demanding drilling, features such as a mechanical clutch or Kickback Control may be relevant. These are not identical across the range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Consider vibration control\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf the rotary hammer will be used repeatedly, compare models with DCK’s DVR vibration-reduction technology. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Consider dust extraction\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor concrete drilling where dust control is important, the KRH20V-26 can be paired with the KDE20V-16 attachment, or purchased in a KRHDE20V-26 configuration that includes the dust-extraction system. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Compare tool weight\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWeight varies significantly with the model and battery.\u003c\/p\u003e\n\u003cp\u003eDCK lists:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKDZC04-24 solo tool: \u003cstrong\u003e2.6 kg\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eKDZC05-26L solo tool: \u003cstrong\u003e2.6 kg\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eKRH20V-26 solo tool: \u003cstrong\u003e3.1 kg\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe complete working weight increases when a battery is installed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Check battery and kit configuration\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe same base machine may be offered with different battery packages or as a solo tool.\u003c\/p\u003e\n\u003cp\u003eFor example, KDZC04-24 is offered with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003etwo 5.0Ah batteries;\u003c\/li\u003e\n\u003cli\u003etwo 4.0Ah batteries;\u003c\/li\u003e\n\u003cli\u003eor as a Type Z solo configuration. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKRH20V-26 is offered with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003etwo 8.0Ah batteries;\u003c\/li\u003e\n\u003cli\u003etwo 6.0Ah batteries;\u003c\/li\u003e\n\u003cli\u003eor as a solo tool. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eVerified product examples\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDCK KDZC04-24\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe KDZC04-24 is a 20V MAX brushless cordless rotary hammer with \u003cstrong\u003e2.8 J impact energy\u003c\/strong\u003e and a maximum concrete drilling diameter of \u003cstrong\u003e24 mm\u003c\/strong\u003e. It provides three operating modes, electronic constant-speed control and a mechanical clutch. DCK specifies a solo-tool weight of 2.6 kg. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDCK KDZC05-26L\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe KDZC05-26L increases the specified concrete drilling capacity to \u003cstrong\u003e26 mm\u003c\/strong\u003e and impact energy to \u003cstrong\u003e3.0 J\u003c\/strong\u003e. DCK gives the machine a 450 mm body, DVR vibration control, a safety clutch and three operating modes. The solo version is specified at 2.6 kg. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDCK KRH20V-26\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe KRH20V-26 is a 26 mm rotary hammer with \u003cstrong\u003e2.8 J impact energy\u003c\/strong\u003e, DVR vibration control, mechanical and electronic Kickback Control, a quick-change chuck and compatibility with the KDE20V-16 dust extractor. DCK lists a maximum concrete drilling diameter of 26 mm and a solo-tool weight of 3.1 kg. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat DCK 20V MAX rotary hammers are currently listed?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe current European category lists KRHDE20V-26, KRH20V-26, KDZC05-26L, KDZC04-24 and KRH20V-28. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre DCK 20V MAX rotary hammers brushless?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAll five models currently shown in the official European Rotary Hammer category are labelled cordless brushless rotary hammers. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between a rotary hammer and a hammer drill?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA rotary hammer is a dedicated impact-drilling tool for more demanding concrete and masonry work, while a Driver\/Hammer Drill combines conventional drilling, fastening and a lighter hammer-drilling function. DCK treats them as separate 20V MAX categories. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much impact energy do DCK rotary hammers have?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt depends on the model. Verified examples include 2.8 J for KDZC04-24 and KRH20V-26, and 3.0 J for KDZC05-26L. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan DCK rotary hammers be used for chiselling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSeveral verified models provide a three-mode system including demolition\/chiselling mode. Check the exact model before ordering. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum concrete drilling size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt varies by model. KDZC04-24 is specified up to 24 mm, while KDZC05-26L and KRH20V-26 are specified up to 26 mm in concrete. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes DCK offer vibration control?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Selected models including KDZC05-26L and KRH20V-26 use DCK’s DVR vibration-reduction technology. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I connect dust extraction to a DCK rotary hammer?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe KDE20V-16 dust-extraction attachment is specifically designed for KRH20V-26. DCK also offers KRHDE20V-26 kit versions that include the dust extractor. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo the rotary hammers include batteries?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt depends on the package. Several models are sold in battery-kit and solo configurations. Always check the full type code and included equipment. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich battery should I choose?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe appropriate battery depends on the model, workload and desired balance between runtime and weight. DCK's wider 20V MAX platform supports capacities from 2.0Ah to 12.0Ah, while the exact battery packages offered with each rotary hammer vary. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eTricks \u0026amp; Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompare drilling diameter before maximum speed.\u003c\/strong\u003e Concrete drilling capacity is often a more useful first filter when choosing a rotary hammer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not choose by joules alone.\u003c\/strong\u003e Impact energy should be considered together with weight, drilling capacity, vibration control and operating modes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck whether you need chiselling.\u003c\/strong\u003e If so, choose a model with the appropriate demolition mode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsider vibration control for repeated drilling.\u003c\/strong\u003e DVR-equipped models may be particularly relevant for regular concrete work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlan dust management before drilling.\u003c\/strong\u003e If dust extraction is required, check compatibility with the KRH20V-26\/KDE20V-16 system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompare solo and kit versions carefully.\u003c\/strong\u003e The same machine may be supplied with different battery capacities or without batteries.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse correctly specified drilling and chiselling accessories.\u003c\/strong\u003e Tool-holder compatibility, dimensions and intended application must match the machine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck the actual working weight.\u003c\/strong\u003e Battery-equipped weight can differ significantly from the bare-tool figure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eRotary hammers create high impact forces and can produce significant reaction torque if a bit binds. Use the auxiliary handle, appropriate drilling or chiselling accessory and model-specific safety systems exactly as described by DCK.\u003c\/p\u003e\n\u003cp\u003eConcrete and masonry drilling can also produce airborne dust and debris. Use appropriate eye, hearing, respiratory and other task-specific protection where required, and follow applicable dust-control procedures. Disconnect or remove the battery before accessory changes or maintenance according to the manufacturer’s instructions.\u003c\/p\u003e","products":[{"product_id":"dck-kdzc04-24-fk-20v-max-brushless-sds-rotary-hammer-2-8-j-2-5-0ah","title":"DCK KDZC04-24 FK 20V MAX Brushless SDS Rotary Hammer 2.8 J, 2×5.0Ah","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003eDCK KDZC04-24 FK 20V MAX cordless rotary hammer\u003c\/strong\u003e is a professional \u003cstrong\u003ebrushless SDS rotary hammer\u003c\/strong\u003e designed for drilling, hammer drilling and demolition applications. With \u003cstrong\u003e2.8 J impact energy\u003c\/strong\u003e and a maximum drilling capacity of \u003cstrong\u003e24 mm in concrete\u003c\/strong\u003e, it is suitable for demanding construction, installation and renovation work.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003ebrushless motor\u003c\/strong\u003e provides efficient power delivery and is designed for professional use. The rotary hammer features \u003cstrong\u003e3 operating modes\u003c\/strong\u003e: drilling, rotary hammer drilling and demolition. The drilling direction can also be changed according to the task.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eElectronic constant speed control\u003c\/strong\u003e supports consistent operation, while the tool also features a \u003cstrong\u003emechanical clutch\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe no-load speed is \u003cstrong\u003e0–1000 rpm\u003c\/strong\u003e, with a rated impact frequency of up to \u003cstrong\u003e4500 impacts\/min\u003c\/strong\u003e. Maximum drilling capacities are \u003cstrong\u003e24 mm in concrete\u003c\/strong\u003e, \u003cstrong\u003e13 mm in steel\u003c\/strong\u003e and \u003cstrong\u003e28 mm in wood\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eUnder the manufacturer's stated test conditions, the tool drills up to \u003cstrong\u003e48 × Ø8 × 80 mm holes in C40 concrete using a 4.0Ah battery pack\u003c\/strong\u003e. The FK kit supplied here includes two \u003cstrong\u003e20V MAX 5.0Ah battery packs\u003c\/strong\u003e and a \u003cstrong\u003e4A charger\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel: \u003cstrong\u003eKDZC04-24 FK\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eBattery platform: \u003cstrong\u003e20V MAX\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncluded batteries: \u003cstrong\u003e2 × 5.0Ah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMotor: \u003cstrong\u003ebrushless\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eImpact energy: \u003cstrong\u003e2.8 J\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eNo-load speed: \u003cstrong\u003e0–1000 rpm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eRated impact frequency: \u003cstrong\u003e0–4500 impacts\/min\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOperating modes: \u003cstrong\u003e3\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMaximum drilling capacity in concrete: \u003cstrong\u003e24 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMaximum drilling capacity in steel: \u003cstrong\u003e13 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMaximum drilling capacity in wood: \u003cstrong\u003e28 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eElectronic constant speed control\u003c\/li\u003e\n\u003cli\u003eMechanical clutch\u003c\/li\u003e\n\u003cli\u003eReversible drilling direction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e20V MAX cordless rotary hammer\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eBrushless motor\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2.8 J impact energy\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eThree modes: drilling, rotary hammer drilling and demolition\u003c\/li\u003e\n\u003cli\u003eUp to 24 mm drilling capacity in concrete\u003c\/li\u003e\n\u003cli\u003eElectronic constant speed control\u003c\/li\u003e\n\u003cli\u003eMechanical clutch\u003c\/li\u003e\n\u003cli\u003eReversible drilling direction\u003c\/li\u003e\n\u003cli\u003eTwo 5.0Ah batteries included\u003c\/li\u003e\n\u003cli\u003e4A charger and plastic case included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplications \u0026amp; Usage\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eDCK KDZC04-24 cordless rotary hammer\u003c\/strong\u003e is suitable for drilling in concrete, steel and wood as well as demolition and chiselling work. Rotary hammer mode is designed for drilling into concrete, while drilling mode can be used with suitable accessories for wood and steel. Demolition mode is intended for chiselling and material removal.\u003c\/p\u003e\n\u003cp\u003eThe cordless design makes the tool suitable for professional construction, renovation, assembly and installation work where mobility is important.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 × \u003cstrong\u003eDCK KDZC04-24 cordless rotary hammer\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e2 × \u003cstrong\u003e20V MAX 5.0Ah battery packs\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e1 × \u003cstrong\u003e4A battery charger\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e1 × auxiliary handle\u003c\/li\u003e\n\u003cli\u003e1 × depth gauge\u003c\/li\u003e\n\u003cli\u003e1 × plastic case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAdvantages\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2.8 J impact energy for professional drilling and chiselling\u003c\/li\u003e\n\u003cli\u003eThree operating modes for different applications\u003c\/li\u003e\n\u003cli\u003eBrushless motor\u003c\/li\u003e\n\u003cli\u003eUp to 24 mm drilling capacity in concrete\u003c\/li\u003e\n\u003cli\u003eElectronic constant speed control\u003c\/li\u003e\n\u003cli\u003eMechanical clutch\u003c\/li\u003e\n\u003cli\u003eTwo 5.0Ah batteries support continuous professional work\u003c\/li\u003e\n\u003cli\u003ePlastic case simplifies transport and storage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplications \/ Industries\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConcrete drilling\u003c\/li\u003e\n\u003cli\u003eWood drilling\u003c\/li\u003e\n\u003cli\u003eSteel drilling\u003c\/li\u003e\n\u003cli\u003eChiselling\u003c\/li\u003e\n\u003cli\u003eConstruction\u003c\/li\u003e\n\u003cli\u003eRenovation\u003c\/li\u003e\n\u003cli\u003eAssembly\u003c\/li\u003e\n\u003cli\u003eInstallation\u003c\/li\u003e\n\u003cli\u003eProfessional maintenance and repair\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DCK","offers":[{"title":"Default Title","offer_id":59215959458137,"sku":"KDZC04-24FK","price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/0997\/9481\/files\/20V_KDZC04-24_01.png?v=1788004062"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/0997\/9481\/collections\/Z.png?v=1788003608","url":"https:\/\/ottensten.lt\/collections\/dck-20v-max-cordless-rotary-hammers.oembed","provider":"Ottensten","version":"1.0","type":"link"}