Woodbridge 
Description
IRWIN 88710 Speedbor 5/8 in. x 16 in. Extra-Long Blue Groove Point Spade Bit is made from Irwin's own special grade tool steel, heat-treated for extra strength, with micro-groove point and cutting edges with extended spurs for faster, cleaner boring action.
Features
- Blue-Groove point and cutting edge for faster chip removal - 4x faster than standard spade bits
- Double cutting spurs scribe the outside of the hole reducing breakout
- 10% larger shank for added durability
- 3-Flatted style shank
- Not for use with bit extensions
Specifications
| Model No. | 88710 |
| Diameter | 5/8" |
| Shank Length | 16" |
| Shank Size | 1/4" |