Fasteners Brass 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 Quality Hexagonal Socket Machine Bolt Hex Head Flange Bolt Next：Copper Insert Nuts M3X4.5X5.7
