Product Description
- Solid center design provides extra rigidity while boring
- Wide lands keep the bit straight as it bores through the hole
- Single-spur cutting edge scribes the circumference of the hole for a smoother finish
- Fast boring in hard and soft woods. Bits have a 4-1/2" twist length and a 7-1/2" overall length
- Full-length heat treatment guards against bending and strengthens the twist
