Thread Stripping Force Calculator

Calculate thread stripping strength for internal and external threads, and minimum thread engagement length.

Major diameter of the thread.
mm
Distance between threads. M12x1.75: p=1.75.
mm
Length of threaded engagement.
mm
UTS of the bolt material.
MPa
UTS of the nut/tapped hole material.
MPa

Results

Internal Thread Shear Area-mm²
External Thread Shear Area-mm²
Internal Strip Force-kN
External Strip Force-kN
Min Engagement Length-mm
References: Machinery's Handbook — Thread Stripping; FED-STD-H28