Makita 18V LXT Lithium-Ion Brushless Cordless 1 In. Rotary Hammer Kit (5.0Ah)

Description

Dull hammer drills vibrate worker hands to numbness and drill anchor holes too slowly in hard aggregate concrete. The Makita 18V LXT Lithium-Ion Brushless Cordless 1 In. Rotary Hammer Kit delivers 1.9 foot-pounds of impact energy to drill structural slabs without user fatigue. An 18-volt brushless motor generates up to 4700 blows per minute. Attempting to core four-inch holes in solid granite will trip electronic clutches.

Die-cast magnesium gearboxes house an air-cushioned striker assembly supported by double-row cylindrical roller bearings. Anti-Vibration Technology incorporates an internal counterbalance system that reciprocates opposite the drive piston to cancel mechanical recoil. The brushless motor wet-end features heavy copper stator windings and rare-earth rotor magnets that shed thermal build under continuous drilling. Torque-limiting clutches decouple the motor drive if bit rotation suddenly halts.

Bulldog Rotary Hammer Hardware Specs

Internal mechanical counterbalances cancel striker vibration before it reaches operator hand grips. Torque-limiting clutches decouple drive gears mechanically during sudden bit bind-up.

• 1.0-inch solid bit capacity cuts commercial structural anchor holes in reinforced slabs
• 1.9 foot-pounds of impact energy shatters high-strength concrete aggregate effortlessly
• Brushless 18-volt motor platform provides high impact cadence with low battery power drain
• Anti-Vibration Technology counterbalances cancel reciprocating shock inside the tool chassis
• Mechanical torque limiter disengages drive gears during sudden bit bind-up to protect wrists
• Three-mode selector switch chooses rotary hammer, rotation only, or hammer only chiseling
• SDS-plus tool chuck permits rapid bit changes with single-hand pull-back collars

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 24.6 amperes while driving a 3/4-inch carbide bit. Battery terminal voltage drops to 15.8 volts during heavy hammer resistance. Striker cadence hits 4700 BPM under thirty pounds of operator downforce. Decibel sound level meters read 90 dBA at operator ear level. Gearbox casing temperatures climb 22 degrees Fahrenheit after twenty anchor holes.

Field Service Operational Traps

Dry concrete dust packs inside the SDS-plus chuck cavity if operators skip shank greasing. Finish carpenters hanging drywall trim have no need for this heavy concrete hammer. Never hammer drill into reinforced slabs without applying firm forward contact pressure.

• Grease bit shanks with high-temperature chisel paste before inserting into the chuck.
• Wipe concrete dust off the rubber chuck nose cone after every shift.
• Clean battery terminal contact tracks using dry nylon bristle brushes every week.

Commercial Warranty Package Inventory

Makita backs this rotary hammer kit with a 3-Year limited commercial warranty. The full kit includes the 1-inch rotary hammer, two 18-volt 5.0Ah batteries, rapid charger, side handle, depth stop rod, grease tube, and heavy carrying case.