This 12 in heavy duty self-feed bit extension from DeWalt® features an aggressive spur that provides fast material penetration, an optimized cutting geometry for longer bit life, an open tooth design for more resharpening and a 7/16 in ball groove shank for Quick-Change™ applications.
DeWALT® Self-Feed Bit Extension, Ball Groove Shank Heavy Duty, 7/16 in Shank, 12 in Length, HSS
| Material | : | HSS |
| Type | : | Ball Groove Shank Heavy Duty |
| Shank Size | : | 7/16 in |
| Length | : | 12 in |