12 MM-A Dumont Collared Bushing for Keyway Broach
Model #: BRBM-A-12
- For use with DuMont A series broaches
Collared style. "A" bushings must be used to guide "A" broaches, etc. For example, a 3/8-A bushing is used to guide a BR-1/8-A to add a 1/8" keyway in a 3/8" hole.