Standard:DIN931,DIN933,DIN558,DIN601,DIN960,DIN961 Diameter:M6-M64 Material:Mild steel,Carbon steel,Alloy steel Grade:4.8,5.8,6.8,8.8,10.9 Finish:Plain,Zinc plated,black,H.D.G - Update: 2008-08-11

Standard:DIN934 DIN555 ISO4032 Diameter:M6-M64 Material:Mild steel,Carbon steel,Alloy steel Grade:181,8,10,12,A2,A4 Finish:Self colour,Zinc plated,black,H.D.G. - Update: 2008-08-11

Standard:DIN603,ASTM,ISO8677,BS,GB Diameter:M6-M64 Material:Carbon steel Grade:4.8,8.8 Thread:MM,UNC,UNF,BSW Finish:Plain,Zinc plated,black,Nickel Chrome,H.D.G - Update: 2008-08-11

Standard:DIN6914/6915/6916,AS1252,ASTM A325,BS4395 Size:M12-M36 Finished:Self Colour,ZP,YZP,H.D.G - Update: 2008-08-11