... Fasteners nuts bolts 1.ISO,ANSI,CE,DIN,BS& non-standard fastener supply 2.ROHS is capable 3.Grade ... :4.8 ,6.8,8.8..... Special Fastener,Special Fasteners,Special ... such as 1022,1018,1010,1008,1015...Medium carbon steel are 35k,45#,10B21,1035,CH38F,1039,40ACR... ... BSW"thread are available.Head typeHexagon head,Mushroom head,Pan head,Countersunk head,Bugle head,Oval head,Hex ...