Torque and speed are optimized for concrete fastening. The heavy-duty .. Single-Speed Hammer Drill is tough enough to handle the toughest drilling . making 5/8. holes in concrete. Its 8.5-amp motor provides overload protection, with speeds from 0-1,800 RPM and power from 0-28,000 BPM. It.s versatile enough to drill in wood with flat boring bits, hole saws, auger bits and Selfeed bits . or drill in steel with twist bits and in concrete with percussion bits. The removable side handle helps you set the depth rod for preset hold drilling. The heavy-duty metal gear case withstands daily jobsite use, yet the drill.s lightweight, balanced pistol-grip design reduces fatigue during a long work day. The 10-foot, QUIK-LOK® Cord and keyed chuck ensure hours of reliable, uninterrupted performance. The kit includes a durable carrying case.