Brass Knurling Nuts SHENZHEN KEYSUN PRECISION TECHNOLOGY CO., LTD. Base Info Material：BrassType：Hexagon HeadConnection：Common BoltHead Style：HexagonalStandard：DIN, ANSI, GB, JIS, GOST, BSWGrade：6.8Specification：customizedOrigin：China Description Pre：Excellent Torx Drives Type a Point Anti-Theft Screws Next：Durable Non-Standard Hexagon Cup Head Screws Custom
