Historical
BS 7345:1990
Specification for nominal lengths of bolts, screws and studs and thread lengths for general purpose bolts (British Standard)
Specifies the nominal lengths from 2 mm up to and including 300 mm as well as from 1/16 inch up to and including 12 inch resp.; gives the coordination for thread lengths/diameters for the dimensions in millimeters and inches.
CONTENT PROVIDER
British Standards Institution [bsi]
British Standards Institution [bsi]