Hexagon socket cap screw DIN912 Size: M1.6-M42 Grade: 8.8S,10.9S,12.9S Finish:Passivated, Black Oxide, Zinc, Dacromet etc Hexagon socket cap screws ... westunion1) Various kinds of screws are available2) Can be made with different tensile strength, such as 8.8S,10.9S3) Can ... finish, such as bright, zinc plated, black4) Can be made with different standards, such as ISO, DIN, ANSI, BS and special ...