stainless steel screw manufacturers to give you quality assurance

In order to protect the interests of customers, avoid inferior stainless steel screw products, ensure the quality of stainless steel screws, stainless steel screw manufacturers in the production process and product quality inspection link will strictly control the quality of products, and we say that the following stainless steel screws and what are the quality detection methods?

stainless steel screw manufacturers in the quality inspection, you can first through the caliper, micrometer and other measurement of the size of the screw, and through the appearance of direct inspection whether the plating surface is intact. Secondly, the coating thickness was examined by magnetic method and microscope method. Then the adhesion strength of the coating was tested by friction polishing test, scratch test, thermal shock test, extrusion test and bending test. The corrosion resistance of screw coating was tested by salt spray method.

Shi Shi Tong stainless steel screw manufacturers, has 22 years of customized production experience, the main products are stainless steel screw, self-tapping screw, long screw and other screws custom and production, for many years has been paying attention to the quality of the product testing, effectively protect the interests of customers, carefully do a good job of each screw. If you have the need to order screws or about the question of screws, welcome to inquire.

Skype: kalyn qin M: +86 18124507113 Tel: +86 0755-85296744 annie@szsst88.com Add: No. 11, Dinghou Road, Dongfang Community, Songgang Street, Baoan District, Shenzhen, Guangdong, China