螺丝头类型
平底锅, 大圆扁头, 平板型, Customised
Head type:
bugle /flat/ pan head
Thread type
fine or coarse thread
Material:
carbon steel C1022, 1022A
Surface treatment :
black or grey phosphate, zinc plated
Packaging Details :
bulk packing in cartons, then put on pallets, or as per your requests.