| Part Number | BF12X1.25X55PYLW |
| Spec | JIS B1189 |
| Head Marking | 10.9 |
| Head Type | HEX |
| Thread Note | M12 x 1.25 |
| D D | 12 |
| D Pit | 1.25 |
| D L | 55 |
| D Bl | 30 |
| D Bl Tol | 3 |
| D C Min | 1.4 |
| D Dc Max | 25 |
| D K Max | 11.5 |
| D R1 Min | 0.25 |
| D S Max | 17 |
| Thread Type | PARTIAL_THREAD |
| Flange Type | SMOOTH |
| Drive Size | 17 |
| Drive Dia | |
| Drive Waf | 17 |
| Rev Date | 2024-11-06 |
| Product 1 | M12X1.25 ExFine Flange Bolt |
| Product 2 | Steel Class 10.9 Zinc |
| Product 3 | JIS B-1189 / 17mm Wrench |
| Product 4 | Specification: |
| Mi1 Note 1 | JIS B1189 |
| Mi2 Note 1 | Thread Diameter + Pitch: |
| Mi1 Note 2 | M12X1.25 |
| Mi2 Note 2 | Length: |
| Mi1 Note 3 | 55mm |
| Mi2 Note 3 | Thread Amount: |
| Mi1 Note 4 | Partial Thread |
| Mi2 Note 4 | Threaded Length: |
| Mi1 Note 5 | 30mm +/- 3mm |
| Mi2 Note 5 | Unthreaded Length: |
| Mi1 Note 6 | 25mm +/- 3mm |
| Mi2 Note 6 | Material: |
| Mi1 Note 7 | Class 10.9 Steel |
| Mi2 Note 7 | Finish: |
| Mi1 Note 8 | Yellow Zinc Plated |
| Mi2 Note 8 | Flange Type: |
| Mi1 Note 9 | Smooth |
| Mi2 Note 9 | Flange Width: |
| Mi1 Note 10 | 25mm |
| Mi2 Note 10 | Head Height: |
| Mi1 Note 11 | 11.5mm |
| Mi2 Note 11 | Drive: |
| Mi1 Note 12 | 17mm Wrench |
| Mi2 Note 12 | Type Screw/Bolt: |
| Mi1 Note 13 | Hex Flange Head |
| Mi2 Note 13 | Thread Direction: |
| Mi1 Note 14 | Right Hand |
| Mi2 Note 14 | Measurement System: |
| Mi1 Note 15 | Metric |
| Mi2 Note 15 | |
| Mi1 Note 16 | |
| Mi2 Note 16 | |
| Mi1 Note 17 | |
| Mi2 Note 17 | |
| Mi1 Note 18 | |
| Mi2 Note 18 | |
| Unit | MILLIMETERS |