Hex-Shank Hammer Drill Bits | McMaster-Carr
Hex-Shank Masonry Drill Bits for Impact Drivers The 1/4' hex shank allows these bits to be used with standard impact drivers. Instead of using a hammering action to break up masonry material, they drill with rotary action only, requiring more pressure to grind up material. For technical drawings and 3-D models, click on a part number.
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