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Thread engagement length calculator

Calculate the theoretical minimum required thread engagement length for blind hole and through hole applications.

Based on VDI 2230:2014

Joint Type

Screw Selection Screw
 

 


Counter Threaded Part
I
I
Data for calculation
Rm, screw 800 N/mm²
Rm, material internal thread 1000 N/mm²
Tau, screw 528 N/mm²
Tau, internal thread 650 N/mm²
Breaking force, bolt 11346.33 N
Stripping force, internal thread 20842.26 N
Effective engagement length, meff 2.60 mm
Results

Calculated minimum total engagement lengthI: 3.82 mm

Conclusion: Sufficient thread engagement length


Verify your calculation, maximize potential of your product.

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