Explore the Engineering Database more efficiently by signing up for free. Sign up free

0.25 — UNC

Name: Bolt Thread Dimensions — UNC: nominal diameter 0.25 · tensile stress area in2 0.0318 in2 · minor diameter in 0.1959 in · gross area in2 0.0491 in2 · root area in2 0.0254 in2
Creator: Engineering Database

Thread Series: UNC
Nominal Diameter: 0.25
Gross Area IN2 (in2): 0.0491
Minor Diameter in (in): 0.1959
Nominal Size: 1/4
Pitch MM (mm): 1.27
Root Area IN2 (in2): 0.0254
Tensile Stress Area IN2 (in2): 0.0318
Tensile Stress Area MM2 (mm2): 20.52
Threads per Inch (threads/in): 20

Browse more civil engineering reference tables →