A: Machine Screw: 机械螺丝 螺丝
B: Tapping Screw:
自攻螺丝 (分使用于金属与使用于塑料二种)
B-1: Sheet Metal Tapping Screw. (铁板牙自攻螺丝)
B-2: Plastic Tapping Screw. ( 塑料用, 自攻螺丝)
C: Wooden Screw : 木工螺丝
D: Drywall Screw : 水泥墙螺丝
E: Self Drilling Screws 钻尾螺丝(不锈钢钻尾螺丝,复合材料钻尾螺丝)
标准件的12种零件:
1. 螺栓:Bolt;2
螺柱:stud;3. 螺钉:nuts;4. 螺母:screws;
5. 自攻螺钉:self-tapping screws;6.木螺钉:wood screws;
7. 垫圈:washers;8. 挡圈::rings;9. 销: pins;10. 铆钉: rivets;
11. 组合件和连接副:assembly and connection;12. 焊钉:welding nail