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Fastener Tensile Ranges | |||||
| 3.6 | = | 330 MIN N/MM2 | 23 TON/IN2 MIN | 90 - 209 HB | |
| 4.6 | = | 400 MIN N/MM2 | 26 TON/IN2 MIN | 114 - 209 HB | |
| 4.8 | = | 420 | 27 | 124 - 209 | |
| 5.6 | = | 500 | 32 | 147 - 209 | |
| 5.8 | = | 520 | 34 | 152 - 209 | |
| 6.6 | = | 600 | 39 | 181 - 238 | |
| 8.8 | = | 800 < 16MM | 51 | 238 - 304 | |
| 8.8 | = | 830 > 16MM | 53 | 242 - 318 | |
| 9.8 | = | 900 | 58 | 276 - 342 | |
| 10.9 | = | 1040 | 68 | 304 - 361 | |
| 12.9 | = | 1220 | 80 | 366 - 414 | |
| Based on BS EN ISO 898-1 : 1999 Other equivalents : N/MM2 = MPa Kgf/MM2 = Kp/MM2 | |||||