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Spec — ISO 12.9
- Specification
- ISO 12.9
- Nominal Diameter
- Spec
- Hardness
- 39-44 Hrc
- Head Type
- Socket Head Cap
- Material
- Alloy steel, Q&T
- Proof Load MPa (MPa)
- 970
- Proof Load Ksi (ksi)
- 140.7
- Standard
- ISO 898-1
- Tensile Strength MPa (MPa)
- 1,220
- Tensile Strength Ksi (ksi)
- 176.9
- Yield Strength MPa (MPa)
- 1,100
- Yield Strength Ksi (ksi)
- 159.5
Source: ISO 898-1