Stainless steel screws usually refers to the resistance to air, water, acid, alkali or other media corrosion ability of steel screws, generally not easy to rust...
High strength screws are made of high strength steel or require large pre-tightening force. They are widely used in Bridges and rails...
Release time：2019-01-24 16:06:39 Product popularity：
Copyright ? 2018 www.dgluosi.com Dongguan Luosi Screw Co.,Ltd.東莞網站設計