1.ISO 9001:2008 and RoHS compliance 2.Standards:JIS, ANSI, DIN, GB, ASME, BSW, ISO 3.Material:stainless steel, iron,zinc, ... , Wooden screws, Washers/Gaskets, Check rings, Pins, Rivets and etc. 2. by head types Flat, Oval, Binding, Pan, Round, Truss, Button, PF ... .Certificates: ISO 9001:2008 and RoHs compliance,Standards: JIS, ANSI, DIN, GB, ASME, BSW Non-standard fastener orders are welcomed!Our ...