Qualfast: 5/16 BSW X 1. Skt Head Cap Screw (GR-12.9) High Grade Alloy Steel to Grade 12.9. Suitable for all high tensile applications. Maximum operating temperature (unplated): 300C. MPN: 5036140030671 EAN: 5036140030671 5/16 BSW X 1. Skt H…View more