1.Grade 12.9 hex socket head cap screw DIN912 2.Various specifications to meet your needs ... with high quality alloy hex socket head cap screw Product details Name:Alloy steel hex socket head cap ... screw DIN912-12.9 grade Material:Alloy steelBand NameEGStrength ... Specifications:M1.6, M2, M2.5, M3, M4, M5, M6, M8, M10, M12, M14, M16, M18, M20, M22, M22, M24 ...