Irwin Speedbor 5/16 in. Dia. x 6 in. L Carbon Steel Wood Boring Bit 1 pc.

Irwin Speedbor Spade Bit Blue-Groove point and cut

Patented micro-groove cutting edge and spurs produce a smoother hole finish

Double spur design scribes the hole before the chips are made, producing a cleaner hole and reducing vibration

All bits have a 1/4 in. Hex shank that fits all drills and 1/4 in. quick change adapters

6 in. overall length

5/16 in. diameter

Fits all standard quick change chucks

Unit: EA
UPC: 024721200433
Model Number: 88805