THE 1-9/16" SDS MAX SPLINE ROTARY HAMMER has a 10.5 amp motor and delivers 5.5 ft.-lbs. of impact energy. Feb. 12, 2013 THE 1-9/16" SDS MAX SPLINE ROTARY HAMMER has a 10.5 amp motor and delivers 5.5 ...

The HR4041C 1 9/16-in. spline shank rotary hammer has a 12-amp motor producing up to 460 rpms, enabling it to drill into 5,000-psi concrete. Dual-purpose function allows for "hammering only" or ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? To make a hole in masonry and rock, you need a masonry bit—and to know how to use it ...

If you need to drill holes in masonry or concrete, you may have heard about, or come across, hammer drills. There are two types, and people often apply the term “hammer drill” to both, although they ...