Should I use Coarse or Fine Threaded Bolts?

FINEPITCH-PERTH

What is the difference between fine and coarse threaded bolts?

Bolts with coarse threads have a larger pitch (fewer threads per axial distance) compared to fine threads. A coarse threaded bolt is specified for most applications unless there is an overriding reason to use a fine threaded bolt (e.g. thorough thread adjustment is crucial for the application). Furthermore, fine thread fasteners are more difficult to obtain.

Negatives of using fine threaded fasteners:

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