Basic Info. Model NO.:M4-M100 Material:Stainless Steel Type:Special Head Connection:Common Bolt Head Style:Special Head Standard:DIN, ANSI, GB, JIS, BSW, GOST Grade:4.8, 6.8, 8.8, etc, According Your Resquest. Finish:Qpq, Passivation, Electrophoresis, Nickel, Copper Phong:302, 304, 306, 316 Color:Bright Silver Size:A2-70, A4-70/80 Model:M4-M100 OEM:Yes Port:Ningbo Export Markets:Global
