Type

Description

Typical Use

External Threading

Cutting threads on the outside diameter of a shaft

Bolts, studs, shafts

Internal Threading

Cutting threads inside a bore

Nuts, housings

Partial Profile Threading

Forms only the flanks of the thread (e.g. 60° angle)

Flexible for multiple pitches

Full Profile Threading

Forms complete thread (crest & root) for a specific pitch

High accuracy, production threading

S15

S

Inconel

H10 

FM

Hardened steel