1) Precision brass machinery fastener screw 2) Good surface finish 3) With high precision 4) ISO 9001 approved Precision brass machinery fastener screw 1.NamePrecision brass machinery fastener screw 2.Materialsteel, stainless steel, brass, etc. 3.Machining processesMetal fabrication, machining, welding, forming, shaping, punching, etc.4.Surface treatment:zinc, chrome plate, nickle plate, e- ...