Basket

Other threads

M - ISO thread (metric)

NPT - Pipe thread

G/R/RP - Withworth thread (BSPP/BSPT)

UNC / UNF - unified national thread

Other type of threads

Type of threads - Conversion factor

FAQ (Basics of thread)

Basics of thread

Pipe thread
NPSC – NPSF – NPSL – NPSM ANSI B1.20.1-1983

Pipe thread

Whitworth thread
BSF Fine thread BS 84
W = BSW Coarse thread BS 84

UN (Unified National) thread
UNEF Extra Fine thread ANSI B1.1
UNR ANSI B1.1
UNS ANSI B1.1

Trapezoidal thread
Tr DIN 103

Knuckle thread
Rd DIN 405 / DIN 20400

Buttress thread
S DIN 513 / DIN 514

Cycle thread
Fg DIN 79012

Edison thread
E DIN 40400

Any Questions?

More information about our products, services or looking for a custom solution?
Please contact our Sales Engineers.

We use cookies just to track visits to our website, we store no personal details. We also us commercial cookies, accept them for a better user experience. Please refer to our Privacy Policy.