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R-1 — UNF

Thread Series
UNF
Nominal Diameter
1
Gross Area IN2 (in2)
0.7854
Minor Diameter in (in)
0.9098
Nominal Size
1
Pitch MM (mm)
2.1167
Root Area IN2 (in2)
0.5304
Tensile Stress Area IN2 (in2)
0.663
Tensile Stress Area MM2 (mm2)
427.74
Threads per Inch (threads/in)
12
UNF — nominal diameter 1 · minor diameter in 0.9098 in · tensile stress area in2 0.663 in2 · gross area in2 0.7854 in2 · root area in2 0.5304 in2 | Bolt Thread Dimensions | Engineering Database