Hot Formed Bolts, Screws, and Nuts

Definition(s)


Hot Formed Bolts, Screws, and Nuts

Parts formed through the mechanical hot (at a temperature above the recrystallization temperature) up-setting of wire, rod, or bar in order to generate the bolt or screw head (hot heading) or the configuration of the nut.

Source: API Specification 20E, Alloy and Carbon Steel Bolting for Use in the Petroleum and Natural Gas Industries, Second Edition, February 2017. Global Standards