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0.25 — SAE GR8

Specification
SAE GR8
Nominal Diameter
0.25
Hardness
33-39 Hrc
Head Type
Hex
Material
Medium Carbon alloy, Q&T
Proof Load MPa (MPa)
827
Proof Load Kips (kips)
3.82
Proof Load Ksi (ksi)
120
Standard
SAE J429
Tensile Capacity Kips (kips)
4.77
Tensile Strength MPa (MPa)
1,034
Tensile Strength Ksi (ksi)
150
Tensile Stress Area IN2 (in2)
0.0318
Yield Strength MPa (MPa)
896
Yield Strength Ksi (ksi)
130

Source: SAE J429

SAE_GR8 — nominal diameter 0.25 · tensile stress area in2 0.0318 in2 · proof load kips 3.82 kips · tensile capacity kips 4.77 kips · material Medium carbon alloy, Q&T | Bolt Specifications | Engineering Database