Nuts Factory 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 Wood Screw Pan Head Self-Tapping Screw Next：Cup Head Hexagon Socket Cup Head Bolt with Lower Price
