IRWIN 88886 Speedbor Standard Length Blue Groove Point Spade Bit Set (6-Piece) is forged in one piece from Irwin's own special grade tool steel and heat-treated full length for extra overall strength. Micro-groove point and cutting edges have extended spurs for faster, cleaner boring action; bores two times faster, lasts three times longer.
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
- Grooved hex shank prevents slipping in drill chuck or bit extension
- Fits all standard quick change chucks
Includes
- (1) Speedbor 3/8" x 6†Standard Length Spade Bit
- (1) Speedbor 1/2" x 6†Standard Length Spade Bit
- (1) Speedbor 5/8" x 6†Standard Length Spade Bit
- (1) Speedbor 3/4" x 6†Standard Length Spade Bit
- (1) Speedbor 7/8" x 6†Standard Length Spade Bit
- (1) Speedbor 1" x 6†Standard Length Spade Bit
Specifications
| Model No. |
88886 |
| Diameter |
3/8", 1/2", 5/8", 3/4", 7/8", 1" |
| Shank Length |
6" |
| Shank Size |
1/4" |
