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Bolting Guides

Plain answers to common bolting questions, from R Square Technologies, an authorised Nord-Lock distributor in Chennai.

Why Do Bolts Come Loose?

The two ways a tight bolt loses its grip, and what actually stops it.

How each washer works, how they compare under vibration, and when to switch.

Five quick steps from your problem to the exact part code.

How torque, hydraulic and mechanical tensioning compare, and when each one fits.