The Makita HR4041C 1-9/16 in. Spline-Shank Rotary Hammer Drill features a powerful 11 Amp motor engineered with field-core interlocking steel laminations, a dual ball-bearing armature and a large-surface commutator for an efficient transfer of power. It delivers up to 230 - 460 RPM and 1,300 - 2,600 BPM and has 2 modes for hammering only and hammering with rotation. Soft-start functionality facilitates control and improved accuracy, while sequential impact timing promotes faster work. Powerful 11 AMP motor delivers 6.8 ft.lbs. of impact energy to handle the most demanding applications Constant speed control automatically applies additional power to the motor to maintain speed under load to complete the most challenging jobs Soft start suppresses start-up reaction for increased accuracy
