We are the professional manufactory of various screws have been working in this field for many years in Taiwan.
We are able to produce 304.302.305.316 stainless drilling screws, Bi-metal screws, and the drill bit dies of self drilling screws. The wire diameter of our products could be made from 2.8mm to 5.1mm and the length could be made from 9.5mm to 300mm. 

We have confidence to offer you high quality and competitive prices. Besides, we accept custom-made products. If you offer drawing and specification detailed. 
Please see our website: www.screws-king.com.tw to know more about further details of our company.