The standard form general purpose nut may be used with various washers.
Normally supplied double chamfered if cold formed.
May also come with full bearing or washer face when machined.
Available in Imperial Unc Plain:- 1/4″ to 2-1/2″, UNC Zinc :- 1/4″ to 1-1/2″
UNF Plain :- 1/4″ to 2″, UNF Zinc :- 1/4″ to 1-1/2″
Metric Plain :- M6 to M48, Metric Zinc :- M2.0 to M24
Metric Galv :- M6 to M36
BSW Zinc:- 1/8″ to 3/4″
BSF Bright Steel :-1/4″ to 1-1/2″