1.Product : Double Thread Screw
2. Support
3.Size: M7X30,40,50,60MM

1.Product :          Double Thread Screw

2. Support

3.Size:                 M7X30,40,50,60MM

4. Material:              brass

5. Advantage  :        made of high quality carbon steel  

                              excellent wear resistance

                              competitive price

6. Use :                   Buiding Material   Plumbing Material