100 Pack M12 Flat Washer Copper Washer Sealing Rings, 12mm ID 18mm OD 1.5mm Thick

★★★★☆ 4.0 82 reviews

US$10.80
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US$10.80
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Management number 237931520 Release Date 2026/07/11 List Price US$10.80 Model Number 237931520
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<div class="div-os-obd"></div><div class="div-os-obd"><p class="p-os-obd"><strong>Descriptions</strong></p></div><div class="div-os-obd"><p class="p-os-obd"><strong>Pure Copper Material:&nbsp;</strong>Our washers are made of high-purity copper, offering exceptional thermal and electrical conductivity, and they are resistant to high temperatures, corrosion and rust, and can provide long-term service</p></div><div class="div-os-obd"><p class="p-os-obd"><br class="div-os-obd"></p></div><div class="div-os-obd"><p class="p-os-obd"><strong>Function:&nbsp;</strong>The&nbsp;pure&nbsp;copper&nbsp;flat&nbsp;washer&nbsp;is&nbsp;specifically&nbsp;designed&nbsp;to&nbsp;provide&nbsp;optimal&nbsp;electrical&nbsp;grounding&nbsp;and&nbsp;heat&nbsp;dissipation,&nbsp;while&nbsp;also&nbsp;preventing&nbsp;fastener&nbsp;loosening&nbsp;from&nbsp;vibration&nbsp;or&nbsp;thermal&nbsp;cycling&nbsp;in&nbsp;high-performance&nbsp;applications</p></div><div class="div-os-obd"><p class="p-os-obd"><br class="div-os-obd"></p></div><div class="div-os-obd"><p class="p-os-obd"><strong>How&nbsp;to&nbsp;Use:</strong> Before installation, ensure all contact surfaces are clean and free of debris. Place the pure copper washer evenly between the components to be sealed. Using appropriate tools, tighten the fasteners gradually - avoid over-tightening to prevent deformation and maintain optimal sealing performance</p></div><div class="div-os-obd"><p class="p-os-obd"><br class="div-os-obd"></p></div><div class="div-os-obd"><p class="p-os-obd"><strong>Wide&nbsp;Applications:</strong> Suitable for automotive oil circuit sealing, hydraulic pipelines, home appliance compressors, ship salt water environment, and industrial equipment flange connections; can replace nylon or rubber gaskets for high-temperature conductive occasions, such as spark plugs, transformer grounding, gas valves, etc</p></div><div class="div-os-obd"></div>

  • Copper washers included
  • High-purity copper material
  • Designed for electrical grounding
  • Suitable for automotive sealing
  • Easy installation process
Hardware washer type Flat
Material Copper
Count 100
Brand Uxcell

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4 out of 5
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82 ratings | 34 reviews
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