uxcell 50Pcs Plastic Round Washers, 5mm x 12mm x 3mm Black PE Concave Washer Spacer Hardware Machine Fastener for Round Tube Fixing

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• [Parameter] - Color: Black, Total Height: 5mm/0.2inch, Overall Size: 5x12x3mm/0.2x0.47x0.12inch(ID*OD*T), Package Content: 50Pcs x Plastic Concave Washers.
• [Material] - The concave washer is made of PE material, it has good toughness, is not easy to break, is light and easy to carry, is corrosion-resistant and wear-resistant, can resist friction and wear, and extends the service life.
• [Design] - When used as a fastener, it can evenly distribute the load of bolts, screws, and nuts, and has good shock absorption performance, which can reduce the noise during equipment operation.
• [Easy to Use] - Install the washer under the head of the bolt or nut to provide a smooth load-bearing surface to retain with the round tube. Protect equipment surfaces from damage.
• [Application] - Plastic washers are widely used in fitness equipment, tables and chairs, bookshelf shelves, and other equipment to support and disperse pressure in steel structure connections, pipe installation, and fixture fixing. Reduce loosening and falling off of fasteners and provide equipment stability.