ISO Metric Cup Nibbed Head Bolts
AS /NZS 1390 - 1997 (R2016)
Display drawing:
| Screw Thread | M6 | M12 | M8 | M5 | M20 | M16 | M10 | M24 | ||
| D | 6 | 12 | 8 | 5 | 20 | 16 | 10 | 24 | ||
| P | 1 | 1.75 | 1.25 | 0.8 | 2.5 | 2 | 1.5 | 3 | ||
| B | L≤125 | 18 | 30 | 22 | 16 | 46 | 38 | 26 | 54 | |
| B | 125＜L≤200 | 24 | 36 | 28 | 22 | 52 | 44 | 32 | 60 | |
| B | L＞200 | None | 49 | 41 | None | 65 | 57 | 45 | 73 | |
| Ds | Max | 6.48 | 12.7 | 8.58 | 5.48 | 20.84 | 16.7 | 10.58 | 24.84 | |
| Dk | Max | 12 | 24 | 16 | 10 | 40 | 32 | 20 | 48 | |
| Dk | Min | 10.9 | 22.7 | 14.9 | 8.9 | 38.4 | 30.4 | 18.7 | 46.4 | |
| K | Max | 5 | 10 | 6 | 4 | 15 | 12 | 8 | 18 | |
| K | Min | 4.25 | 9.1 | 5.25 | 3.25 | 13.9 | 10.9 | 7.1 | 16.9 | |
| G | Max | 2.5 | 3.6 | 3 | 2 | 4.8 | 4.2 | 3.2 | 5.6 | |
| G | Min | 1.9 | 2.85 | 2.4 | 1.4 | 4.05 | 3.45 | 2.45 | 4.85 | |
| I | Min | 2 | 3.2 | 2.3 | 1.8 | 4.4 | 3.5 | 2.7 | 5.1 | |
| R2 | Max | 0.5 | 1.2 | 0.8 | 0.4 | 1.6 | 1.2 | 0.8 | 1.6 | |
| R2 | Min | 0.25 | 0.6 | 0.4 | 0.2 | 0.8 | 0.6 | 0.4 | 0.8 | |