Plain washer placed between the nut or bolt, screw head and the surface of the connected parts, used to protect the surface of the connected parts to avoid abrasion by the nut, increase the contact area between the connected parts and the nut, reduce the unit pressure acting on the surface of the connected parts.
Plain washer placed between the nut or bolt, screw head and the surface of the connected parts, used to protect the surface of the connected parts to avoid abrasion by the nut, increase the contact area between the connected parts and the nut, reduce the unit pressure acting on the surface of the connected parts.
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