Extra Long Screws Factory, Shenzhen Shi Shi Tong

How long do you think the screws are long screws? So how long is the extra long screws? In fact, no matter how long the screws, SST screw manufacturers can produce.

In China, there are thousands of screw factories, but there are many people who need to extra long screws to find a screw factory that suits them. If you meet us, you can solve all the problems. At the SST screw factory you don’t have to worry about quality problems, we can provide samples for testing according to your needs.

How to detect the extra long screws? Come and teach everyone today. There are two kinds of surface inspection methods for screws. One is surface-treated, the other is surface-free. The material used for surface treatment is stainless steel. As long as the material is correct, it does not need to be tested too much. If the surface treatment is done, it is mainly to check whether the surface after the surface treatment and the surface are plated well, and whether there are broken screws. Vernier calipers, plug gauges and other measuring tools can be used for appearance requirements. If the requirements are strict, the thickness of the plating layer can be measured by magnetic method, which is a non-destructive measurement of the non-magnetic coating layer on the magnetic substrate by a magnetic thickness gauge.

Having said that, do you know that you will find the SSTscrew factory when you produce extra long screws? Welcome Inquiry! sst@szsst88.com