Irwin Speedbor 5/8 In. x 6 In. Quick Change Auger Bit Brand_Various effortless cuts in some of

effortless cuts in some of the toughest wood cutting scenarios

1/4" Quick Change range now holds insert bits

Carbon Steel

Large 3-1/4" Burner For Even Heat Distribution

Ideal for rough or fine finishing

Irwin Speedbor 5/8 In. x 6 In. Quick Change Auger Bit Brand_Various effortless cuts in some ofSpeedbor MAX is the fastest Speedbor. Tri flute design for faster chip ejection. There are 3 cutting edges for added durability and the full screw tip allows the bit to self feed for easier pull through. 1 4' quick change hex shank prevents slipping in drill chucks and bit extensions. Fits all standard quick change chucks and adapters.