1.品名(Product)
- 沉头 Screw (Flat Screw)
2.材料(Screw Materials)
- 钢铁(Steel) : SWCH 10A,15A,18A,22A
3.电镀(Surface Treatment)
- 镀锌(Zinc Plating) : 五彩镀锌,蓝白镀锌