螺丝头类型
平底锅, 大圆扁头, 平板型, 椭圆形, 圆形, 六角, 芝士, 包边, oem
Product name
din912 stainless steel m4 m5 m6 m8 hex socket head cap screw
Material available
carbon steel,stainless steel,brass etc
Surface treatment
zinc/nickle/brass plating,black anodizing,hardened etc