The composite screw washer is suitable for outdoor or humid environment, no rust, corrosion resistance, acid resistance, better water resistance and applicability, and not easy to break
304 stainless steel is austenitic stainless steel, austenite is partially transformed into martensite (magnetic) during the cold working process, so it will non-magnetic or weakly magnetic
The one-piece fender gasket is slightly angled surface but flattened as it's tightened. The bonded sealing gasket provides an airtight seal between the bolt or screw and the hard surface
It can avoid thermal expansion and cold contraction during installation, improve the fastening effect, sealing, dust-proof, and waterproof functions. Also serves as a cushion protecting from vibration