... alloyFinishPlating, Oxiding, Blasting, Painting, Anodizing, Heat treatment, AlodineTolerancehexagon socket screws: +0.0004/-0, +0/-0.0004 inchStandard DIN912,913, ... certified manufacturer – Freerun GroupStrict quality control for hexagon socket screws by IQC, IPQC, FQC, SPC, PCP, PPAP to ... stock. CONTACT US TODAY!1) Various kinds of screws available2) Can be made with different tensile strength3) ...