Steel 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：Carbon Steel Yellow Zinc GB818 Cross Pan Head Machine Screw Next：Non-Standard Customized Stainless Steel Pin Medical Scanner
