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R-2 — UNC

Thread Series
UNC
Nominal Diameter
2
Gross Area IN2 (in2)
3.1416
Minor Diameter in (in)
1.7594
Nominal Size
2
Pitch MM (mm)
5.6444
Root Area IN2 (in2)
1.9985
Tensile Stress Area IN2 (in2)
2.4981
Tensile Stress Area MM2 (mm2)
1,611.67
Threads per Inch (threads/in)
4.5
UNC — nominal diameter 2 · tensile stress area in2 2.4981 in2 · minor diameter in 1.7594 in · gross area in2 3.1416 in2 · root area in2 1.9985 in2 | Bolt Thread Dimensions | Engineering Database