表面处理
黑色, 锌, 无装饰, 发黑, 镀锌, 镀铬, 镀银的, 蓝色阳极氧化, Electrophoretic Black
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
Product name
Custom extra long screws
Head type
Pan, Flat, Truss, Hex, Round, Cheese, etc
Drive type
Phillips, Allen, Torx, Slotted, Square, Triangular, Y type, etc.