Apr 29, 2016 · Screws cover drywall screw, self-tapping screw and self-drilling screw. The diameter is from M2 to M8. Flat washers include USS, SAE, FENDER, ASTMF436, DIN, NFE, BS, JIS and Non-standard washers. As a manufactory, CXS has the advantage to provide customers′ high quality products, the most competitive price and the best after-sale service.
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