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...
Guide:
Shoulder-bolt5
Shoulder-bolt4
Shoulder-bolt3
Shoulder-bolt2
Shoulder-bolt1
Shoulder-bolt
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