Irwin I-100 Series 49910 Power Drill Auger Bit, 5/8 in Dia, 7-1/2 in OAL, Solid Center Flute, 1-Flute, Hex Shank

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Full length heat-treated bit with wide lands keep the bit straight as it bores through the hole. The flutes are ground behind the lands to funnel chips to the inside of the bit and away from the outside diameter. Single spur cutting edge scribes the circumference of the hole, coarse screw point provides fast boring in hard and soft woods. All bits have a 4-1/2 in twist length and a 7-1/2 in overall length. Special opening in head allows both wire and staple to be gripped Wide flutes provide a fast, continuous flow of chips Slight taper in width towards the file's point creates ease-of-access in slots Coarse screw point provides fast boring in hard and softwoods Full length heat treated bit guards against bending in heavy-duty applications and strengthens the twist where the greatest strain occurs The hook-and-loop backing makes changing the sheets quick and easy Show more