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
标准
DIN,DIN / ANSI / JIS / ISO
Standard
Carbon steel, alloys steel etc
Grade
4.8,5.6,6.8,8.8,10.9,12.9
Surface treatment
galvanizing
Packing
Cartons & bags on pallets
Usage
mainly used in the steel structure of the color steel tile fixed