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A woodboring bit offering 6 x faster penetration than a standard flat bit. 
Each bit has been fully heat treated for extra durability. The Tri-flute Tapered flute design gives faster chip ejection and less binding during use

3 piece set comprising 1 of each 20, 22 and 25mm. (Length 165mm).

Irwin,Blue Groove,Drill Bit Set,3 Piece

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