ISO Metric Hot-dip Galvanized Hexagon Bolts For Tower Construction
AS /NZS 1559 - 1997
Display drawing:
| Screw Thread | M20 | ||
| D | 20 | ||
| P | 2.5 | ||
| Ds | Max | 20.84 | |
| Ds | Min | 19.16 | |
| S | Max | 30.00 | |
| S | Min | 29.16 | |
| E | Max | 34.6 | |
| E | Min | 32.95 | |
| Dw | Min | 27.7 | |
| C | Max | 0.8 | |
| C | Min | 0.2 | |
| Da | Max | 24.4 | |
| R | Min | 0.8 | |
| K | Max | 13.40 | |
| K | Min | 11.60 | |
| B | 46 | ||