Loctite
Mechanics of a threaded fastener PART-1

How do threaded fasteners work?

Tightening a nut on bolts, stretches the bolt latter, much like a spring

Clamp Load
  • the More the torque
  • the More the elongation
  • The More clamp load is created
The clamped objects are held together in place by friction:
Between the nut and the part