BA Thread Ring Gage Set
Use BA Thread Ring Gage Set to validate BA screw threads, commonly found in vintage electrical systems and fine mechanical devices. Perfect for inspection of screws and bolts in watches, cameras, and telecom devices. Precision ground and clearly marked for Go/NoGo validation.
| part | BATRGDE4 |
| pitch | Normal |
| Standard | BS 93 & BS 919 |
