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 25 mm. (Length 165 mm).

• Irwin 6X Blue Groove Wood Drill Bit 3 Piece Set

Irwin 6X Blue Groove Wood Drill Bit 3 Piece SetIrwin