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20.0 — ISO 12.9

Specification
ISO 12.9
Nominal Diameter
20.0
Hardness
39-44 Hrc
Head Type
Socket Head Cap
Material
Alloy steel, Q&T
Proof Load MPa (MPa)
970
Proof Load Kips (kips)
53.43
Proof Load Ksi (ksi)
140.7
Standard
ISO 898-1
Tensile Capacity Kips (kips)
67.2
Tensile Strength MPa (MPa)
1,220
Tensile Strength Ksi (ksi)
176.9
Tensile Stress Area IN2 (in2)
0.3798
Yield Strength MPa (MPa)
1,100
Yield Strength Ksi (ksi)
159.5

Source: ISO 898-1

ISO_12.9 — nominal diameter 20.0 · tensile stress area in2 0.3798 in2 · proof load kips 53.43 kips · tensile capacity kips 67.2 kips · material Alloy steel, Q&T | Bolt Specifications | Engineering Database