| Thread Stress Area (mm²) | |||
| Nominal Diameter d (mm) | Pitch P (mm) | ||
| Tensile Stress Area | |||
Introduction：
For bolt tensile test calculation per fastener standards. The thread tensile stress area calculator is specially developed for bolt and fastener tensile strength testing. Based on international thread standard formulas, it calculates the effective tensile stress area by inputting nominal thread diameter and pitch. It replaces manual table lookup, provides accurate thread cross-sectional data, and supports precise tensile strength calculation for fastener inspection and mechanical component testing.