Description
Goodson .275″ x .500″ Core-Drill/Reamer CDR-7193G
- Top quality, high speed steel
- Prepare the guide bore for standard 1/2″ OD valve guide inserts
- Fit Serdi seat and guide machines
- 3/8″ shank with flat for use with Serdi machines
- For best results, limit speed to 175 RPM







