Standard List

Threading Theory in TPI and Pitch

threading-theory-tpi-pitch

List of DIN (German) Specifications for Fastener

list-din-specifications-fastener

List of DIN (German) Specifications for Fastener Page 2

list-din-specifications-fastener-2

List of DIN (German) Specifications for Fastener Page 3

list-din-specifications-fastener-3

American Fastener Specifications and Standards

american-fastener-specifications-standards