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1.375 — UNC

Thread Series
UNC
Nominal Diameter
1.375
Gross Area IN2 (in2)
1.4849
Minor Diameter in (in)
1.1946
Nominal Size
1-3/8
Pitch MM (mm)
4.2333
Root Area IN2 (in2)
0.9239
Tensile Stress Area IN2 (in2)
1.1549
Tensile Stress Area MM2 (mm2)
745.1
Threads per Inch (threads/in)
6
UNC — nominal diameter 1.375 · tensile stress area in2 1.1549 in2 · minor diameter in 1.1946 in · gross area in2 1.4849 in2 · root area in2 0.9239 in2 | Bolt Thread Dimensions | Engineering Database