BSF Go/NoGo Thread Ring
BSF Go/NoGo Thread Ring provides accurate gauging for British Standard Fine (BSF) threads used in engineering and automotive applications. Supports consistent thread tolerance measurements across large production batches. Go/NoGo gauging format provides reliable pass/fail feedback.
| part | BSFTRG13 |
| size | 1-1/4 |
| TPI | 9 |