... brass, copper, alloyFinishPlating, Oxiding, Blasting, Painting, Anodizing, Heat treatment, AlodineTolerancehexagon socket screws: +0.0004/-0, +0/-0.0004 inchStandard DIN912,913 ... ,914,915,916,DIN84,ASME B18.3,JIS B 1177,BSGrade:Grade ... we can quote you a price immediately.OEM, ODM hexagon socket screws are provided per customers' application. You name it, ...