Fast and productive, the auger has wide flutes for fast chip removal and a screw-tip to assist the user in boring fast, clean holes. For use with 1/2 in. gas auger drill, Item# 191152. Diameter in. 1/2, Length in. 17, Twist Length in. 12, Works With 1/2 in. gas auger drill. Single cutter and side lip effortlessly bores holes in wood where nails may be encountered Cuts through nails without damaging the bit Full-length heat treatment guards against bending in heavy-duty applications and strengthens the twist where the greatest strain occurs Hollow center flutes clear chips quickly out of the holes Wide lands help keep bit straight as it bores Medium-fast screw point idea for general wood-boring applications Bit can be re-sharpened
Customer Reviews for FREE SHIPPING - Irwin Auger Bit - 1/2in, Model# 47408
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