News 

Suzhou Screw Hardware Science Technology Co., Ltd. (SKL) is a professional manufacturer of stainless steel self-drilling screws, and any hardware & parts. Manager Jia of SKL said that this new YUS550 self-drilling screw has four features.

1. High anti-corrosion（salt-spray test for 2,000-8,000 hrs）

2. High hardness (605-635HV)

3. high tensile strength 4.Excellent penetration-through ability

This new self-drilling screw made of YUS550 will greatly increase the work efficiency of users as well as reduce the cost of customers. In addition, if compared to the previous old-fashioned self-drilling screws, the performance of the new product is also increased a lot.