Armed with an aggressive arrangement of C31HD Plus™ Bullet Teeth, Digger Derrick Spiral Augers are your secret weapon for overcoming severe conditions.
- Type-2 spiral design
- 1-inch boring head flighting
- 1/2-inch carrier flighting
- 4-inch diameter auger stem with 3/8-inch wall
- Long-lasting C31HD Plus™ Bullet Teeth
- Continuous Stoody 121-G hardfacing
- AugerGuard™ Coupling