Hexagon Flange Bolts - Reduced Shank - Product Grade B
GB /T 5788 - 1986
Display drawing:
| Screw Thread | M12 | ||
| D | 12 | ||
| P | 1.75 | ||
| B | L≤125 | 30 | |
| B | 125＜L≤200 | 36 | |
| B | L＞200 | None | |
| C | Min | 1.8 | |
| Da | Foam A | Max | 13.7 |
| Da | Foam B | Max | 15.2 |
| Dc | Max | 24.7 | |
| Ds | Max | 12 | |
| Ds | Min | 11.73 | |
| Du | Max | 13.5 | |
| Dw | Min | 22.6 | |
| E | Min | 16.32 | |
| F | Max | 3 | |
| K | Max | 11.9 | |
| K1 | Min | 5.4 | |
| R1 | Min | 0.6 | |
| R2 | Max | 0.7 | |
| R3 | Min | 0.25 | |
| R4 | 6.4 | ||
| S | Max | 15 | |
| S | Min | 14.57 | |
| T | Max | 0.35 | |
| T | Min | 0.15 | |