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0.3125 — UNF

Name: Bolt Thread Dimensions — UNF: nominal diameter 0.3125 · minor diameter in 0.2674 in · tensile stress area in2 0.058 in2 · gross area in2 0.0767 in2 · root area in2 0.0464 in2
Creator: Engineering Database

Thread Series: UNF
Nominal Diameter: 0.3125
Gross Area IN2 (in2): 0.0767
Minor Diameter in (in): 0.2674
Nominal Size: 5/16
Pitch MM (mm): 1.0583
Root Area IN2 (in2): 0.0464
Tensile Stress Area IN2 (in2): 0.058
Tensile Stress Area MM2 (mm2): 37.42
Threads per Inch (threads/in): 24

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