IRWIN 3-Piece x 7-1/2-in Woodboring Auger Drill Bit Set

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Full-length heat treated bit guards against bending in heavy-duty applications
Full-length heat treated bit strengthens the twist where the greatest strain occurs
All bits have a 4-1/2-in twist length and a 7-1/2-in overall length

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The 1-100 auger bit set has a solid center design that provides extra rigidity when boring. Wide lands help to keep the bit straight. The flutes are ground behind the lands to funnel chips to the inside of the bit.

Full-length heat treated bit guards against bending in heavy-duty applications
Full-length heat treated bit strengthens the twist where the greatest strain occurs
All bits have a 4-1/2-in twist length and a 7-1/2-in overall length
Coarse screw point provides fast boring in hard and soft woods
Single-spur cutting edge scribes the circumference of the hole for a smoother finish

IRWIN 3-Piece x 7-1/2-in Woodboring Auger Drill Bit Set

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