6-32 UNC x 3/8 inch Phillips Pan Head Machine Screws (ANSI B18.6.3) - A4 Stainless Steel: Accu.co.uk: Precision Screws
4-40 x 3/8 inch UNC Cap Head Screws (ANSI B18.3) - A2 Stainless Steel: Accu.co.uk: Precision Screws
vis-bhc-unc-unf-cotes-pouces-vis-americaine-bhc
UNF 0#-80 UNC 2#-56 4#-40 6#-32 8#-32 10-24 US gros filetage en acier inoxydable 304 A2 hexagonal à tête hexagonale à vis vis vis 7/8" 50 pièces UNF 0-80 : Amazon.fr: Bricolage