Nuts & bolts

Nuts & bolts

Engineering science related to nuts, bolts, threaded fasteners and tightening techniques.

Industry: Machine tools

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Nuts & bolts

shank

Machine tools; Nuts & bolts

That portion of a bolt between the head and the threaded portion.

basic thread profile

Machine tools; Nuts & bolts

This is the theoretical profile of external and internal threads with no manufacturing tolerance applied.

A fastener tightening method which allows a fastener to be tightened to yield. The angle of rotation of the fastener is measured relative to the applied torque, yield being assessed when the slope of ...

lefthand thread

Machine tools; Nuts & bolts

A screw thread that is screwed in by rotating counterclockwise.

cleveloc nut

Machine tools; Nuts & bolts

A torque prevailing nut of all metal construction. The collar of the nut is elliptical in cross section and it is this that provides the flexible locking element. The nut is pre-lubricated to reduce ...

decompression point

Machine tools; Nuts & bolts

The point at which there is zero pressure at the joint interface as a result of forces applied to the joint. If the applied force is increased beyond the decompression point, a gap will form at the ...