Bolt Specifications: ISO_8.8
Structural bolt specifications — tensile/shear capacity, proof loads, pretension for ASTM A325 and A490 bolts
| specification | nominal diameter | hardness | head type | material | proof load MPa (MPa) | proof load kips (kips) | proof load ksi (ksi) | standard | tensile capacity kips (kips) | tensile strength MPa (MPa) | tensile strength ksi (ksi) | tensile stress area in2 (in2) | yield strength MPa (MPa) | yield strength ksi (ksi) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ISO_8.8 | 10.0 | 22-32 HRC | Hex | Medium carbon, Q&T | 580 | 7.56 | 84.1 | ISO 898-1 | 10.43 | 800 | 116 | 0.0899 | 640 | 92.8 |
| ISO_8.8 | 12.0 | 22-32 HRC | Hex | Medium carbon, Q&T | 580 | 10.99 | 84.1 | ISO 898-1 | 15.16 | 800 | 116 | 0.1307 | 640 | 92.8 |
| ISO_8.8 | 16.0 | 22-32 HRC | Hex | Medium carbon, Q&T | 580 | 20.47 | 84.1 | ISO 898-1 | 28.24 | 800 | 116 | 0.2434 | 640 | 92.8 |
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