Flat Round Head Weld Bolts
JIS B 1195 - 2009
Display drawing:
| Screw Thread | M12 | ||
| D | 12 | ||
| P | Coarse Thread | 1.75 | |
| P | Fine Thread | 1.25 | |
| Dk | Nominal | 26 | |
| Dk | Max | 26.4 | |
| Dk | Min | 25.6 | |
| K | Nominal | 4.5 | |
| K | Max | 4.7 | |
| K | Min | 4.3 | |
| D1 | Nominal | 4 | |
| D1 | Max | 4.25 | |
| D1 | Min | 3.75 | |
| H | Nominal | 1 | |
| H | Max | 1.1 | |
| H | Min | 0.9 | |