It happens because of insufficient thread engagement.

Many engineers still rely on thumb rules like “1× or 1.5× diameter is enough.”

But material strength, bolt grade, and diameter change everything.

That’s why this FREE Thread Engagement Calculator is useful 👇

It instantly tells you the minimum safe thread engagement length — no assumptions, no guesswork.

✅ Considers bolt tensile strength

✅ Considers nut/material strength

✅ Gives accurate engagement length in mm

✅ Helpful for mechanical, design & maintenance engineers

👉 Try it here:

multicalculators.online/thread-engagement-calculator

Because in real engineering, safety lives in the details.

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