1.Name:Fine machining screw plug 2.Size: 10.82X31.9 3.Grade:Gr ... ,12.9, 4.Material:SS304 Specification of our fine machining:1.NameFine machining screw plug2.StandardDIN, IFI, ISO, JIS, AS,BS, EN ... CertificateISO9001:2008What else of fine machining we can offer? 1.NameHex head bolt,Square head bolt,Round head bolt,Hex socket bolt,Carriage ... ,pls do not hesitate to contact us! Fine machining screw plug