... /12.9(din standard) Gr.2/5/8/10 Material:Steel/Stainless Steel(304/316)/Brass Class 4.8/ ... 5.8/6.8/8.8/10.9/12.9(din standard) Gr.2/5/8/10Material ... ITEMNAMESTANDARDDIAMETERLENGTHPHOTO1HEXAGON HEAD BOLTSDIN931,DIN601,ISO4014,IFI A-6,IFI A-10,IFI E-34,AS1111,JIS1180M4-M64 1/4"-2-1/2 ... 2HEXAGON HEAD SCREWSDIN933,DIN558,ISO4017,IFI A-6,IFI A-10,AS1111,B.S.M4-M64 1/4"-2-1/2 ...