Thread Calculator

UN Threads: ASME B1.1  |  Stub Acme: ASME B1.8  |  SLB  |  Machinery's Handbook 27th Ed

Fraction, decimal, or mixed
Thread Strength Rating
°F
in
in
in
Auto-fills size and TPI
inches
SLB threads only available in 12 TPI
Thread Strength Rating
°F
in
in
in

Click any row to pre-fill the calculator and switch to that tab.