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ISO 12.9 — Bolt Specifications
1,100 MPa yield, 1,220 MPa tensile, 176.9 ksi
ISO 12.9 (ISO 898-1) is an alloy steel, q&t socket head cap-head structural bolt grade with tensile strength 176.9 ksi (1,220 MPa), yield strength 159.5 ksi (1,100 MPa), proof load 140.7 ksi. Covers 8 nominal diameters from 8 to 36 mm, with tensile capacities from 10.0 to 224.1 kips. Specified hardness: 39-44 HRC.
- 10.0Nominal Diameter: 10.0nominal diameter 10.0
- 12.0Nominal Diameter: 12.0nominal diameter 12.0
- 16.0Nominal Diameter: 16.0nominal diameter 16.0
- 20.0Nominal Diameter: 20.0nominal diameter 20.0
- 24.0Nominal Diameter: 24.0nominal diameter 24.0
- 30.0Nominal Diameter: 30.0nominal diameter 30.0
- 36.0Nominal Diameter: 36.0nominal diameter 36.0
- 8.0Nominal Diameter: 8.0nominal diameter 8.0