Description
Airborne silica dust clouds trigger severe OSHA health violations during commercial concrete anchor installation. The DEWALT 20V MAX XR 1-1/8in SDS Plus Rotary Hammer Kit with Dust Collection captures masonry dust directly at the hole collar. A brushless motor delivers 3.5 joules of impact energy at 4480 blows per minute. Attempting to core four-inch holes in solid granite will trip electronic clutches.
Die-cast magnesium gearcases house an air-cushioned striker mechanism running inside sealed grease chambers. The brushless motor wet-end incorporates neodymium permanent magnets and heavy copper stator windings that shed thermal build under continuous drilling friction. SHOCKS Active Vibration Control handles decouple mechanical hammer shock from technician palms. The integrated HEPA dust collector connects directly to the chassis, drawing vacuum power from an internal drive linkage.
Dust Collection Hammer Hardware Specs
Integrated HEPA vacuum attachments capture airborne silica dust to meet OSHA Table 1 compliance standards. Active Vibration Control suspension handles isolate technician hands from mechanical recoil.
- 1.125-inch solid bit capacity drills deep structural anchor holes in reinforced concrete
- 3.5 joules of impact energy pulverizes hard aggregate with minimal operator downforce
- Brushless 20-volt motor delivers 4480 blows per minute for rapid anchor hole production
- SHOCKS Active Vibration Control handle decouples mechanical hammer shock from technician palms
- Integrated HEPA dust box vacuums silica particles directly at the drill hole mouth
- Three-mode selector switch chooses rotary hammer, rotation only, or hammer only chiseling
- Clear dust box container allows operators to monitor concrete powder levels during drilling
Pneumatic Hammer Bench Telemetry
Bench testing monitors electric current and impact stroke cadence through cured 5000 PSI concrete. Free motor rotation draws 2.2 amperes, climbing to 25.4 amperes while driving a one-inch carbide bit. Battery terminal voltage drops to 16.3 volts during heavy hammer resistance. Impact frequency stabilizes at 4480 BPM under thirty pounds of operator downforce. Decibel sound level meters read 91 dBA at operator ear level. Gearbox casing temperatures climb 24 degrees Fahrenheit after twenty anchor holes.
Field Service Operational Traps
Clogged HEPA filter pleats choke vacuum suction and allow toxic silica dust into the air. Interior drywall installers hanging light pictures have no use for this heavy concrete drill. Never run the hammer without emptying full dust extractor canisters.
- Empty the dust extractor collection box before concrete powder reaches the fill line.
- Tap HEPA filter pleats clean over a trash bin after every twenty drilled holes.
- Grease bit shanks with high-temperature chisel paste before inserting into the chuck.
Commercial Warranty Package Inventory
DEWALT covers this rotary hammer kit with a 3-Year limited commercial warranty. The kit includes the SDS-plus rotary hammer, on-board HEPA dust extractor, two 20-volt 6.0Ah batteries, fast charger, side handle, depth stop rod, and heavy kit box.
