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1.375 — UNF

Thread Series
UNF
Nominal Diameter
1.375
Gross Area IN2 (in2)
1.4849
Minor Diameter in (in)
1.2848
Nominal Size
1-3/8
Pitch MM (mm)
2.1167
Root Area IN2 (in2)
1.0518
Tensile Stress Area IN2 (in2)
1.3147
Tensile Stress Area MM2 (mm2)
848.19
Threads per Inch (threads/in)
12
UNF — nominal diameter 1.375 · minor diameter in 1.2848 in · tensile stress area in2 1.3147 in2 · gross area in2 1.4849 in2 · root area in2 1.0518 in2 | Bolt Thread Dimensions | Engineering Database