---
product_id: 400820219
title: "– KEWAYO 200 Pieces Copper Washers Assortment Kit, 9 Sizes Metric Sealing Copper Washer Set Flat Ring Sump Plug Oil Seal Gasket Sealing Fitting Washers (M5 M6 M8 M10 M12 M14)"
brand: "kewayo"
price: "$20.58"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/400820219-kewayo-200-pieces-copper-washers-assortment-kit-9-sizes-metric
store_origin: US
region: United States of America
---

# Superior electrical conductivity High heat resistance 200-piece multi-size kit – KEWAYO 200 Pieces Copper Washers Assortment Kit, 9 Sizes Metric Sealing Copper Washer Set Flat Ring Sump Plug Oil Seal Gasket Sealing Fitting Washers (M5 M6 M8 M10 M12 M14)

**Brand:** kewayo
**Price:** $20.58
**Availability:** ✅ In Stock

## Summary

> 🔩 Upgrade your toolkit with KEWAYO’s copper washers—where precision meets durability!

## Quick Answers

- **What is this?** – KEWAYO 200 Pieces Copper Washers Assortment Kit, 9 Sizes Metric Sealing Copper Washer Set Flat Ring Sump Plug Oil Seal Gasket Sealing Fitting Washers (M5 M6 M8 M10 M12 M14) by kewayo
- **How much does it cost?** $20.58 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/400820219-kewayo-200-pieces-copper-washers-assortment-kit-9-sizes-metric)

## Best For

- kewayo enthusiasts

## Why This Product

- Trusted kewayo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Corrosion-resistant copper keeps your connections reliable and maintenance-free.
- • **Seal Like a Pro:** Premium copper ensures a tighter, leak-proof seal under high heat.
- • **Multi-Industry Ready:** Perfect for automotive, marine, hydraulic, and household electrical fittings.
- • **Versatile Size Range:** 9 essential metric sizes (M5 to M14) cover all your fastening needs.
- • **Effortless Installation:** Flat ring design provides greater bearing surface to protect materials from damage.

## Overview

The KEWAYO 200-piece copper washer assortment offers 9 metric sizes (M5-M14) crafted from high-quality copper for superior heat resistance, corrosion protection, and electrical conductivity. Ideal for automotive, marine, hydraulic, and household applications, these washers provide a reliable seal and enhanced durability for nuts and bolts, ensuring professional-grade fastening every time.

## Description

KEWAYO 200 Pieces Copper Washers Assortment Kit, 9 Sizes Metric Sealing Copper Washer Set Flat Ring Sump Plug Oil Seal Gasket Sealing Fitting Washers (M5 M6 M8 M10 M12 M14)

## Features

- Premium Material: These copper washers are made of copper, with tighter seal and higher heat resistance
- Copper Washer Feature: High conductivity, corrosion resistant copper washer assortment, which perfect for sump plugs, water, fuel and hydraulic fittings
- Product Size: Copper metric sealing washer contains 200pcs 9 sizes of the most commonly used copper washers, M5 M6 M8 M10 M12 M14
- Easy to Use: Used with nuts and bolts and provide a greater bearing surface to prevent the nut or bolt head from tearing through the fastened material
- Widely Appliscation: Assorted flat washers kit is specific for commercial appliances, automotive, and marine uses. The power source has a threaded, bolt-type connection or household appliance uses in electrical connections

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand Name | KEWAYO |
| Material Type | Copper |
| Assembled Diameter | 9 Millimeters |
| Thickness | 1 Millimeters |
| Item Weight | 160 g |

## Product Details

- **Material:** Copper
- **Outside diameter:** 9 Millimeters
- **Washer type:** Flat
- **Exterior finish:** Copper
- **Fastener size:** M5, M6, M8, M10, M12, M14

## Images

![– KEWAYO 200 Pieces Copper Washers Assortment Kit, 9 Sizes Metric Sealing Copper Washer Set Flat Ring Sump Plug Oil Seal Gasket Sealing Fitting Washers (M5 M6 M8 M10 M12 M14) - Image 1](https://m.media-amazon.com/images/I/71fOLoUQTyL.jpg)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-28*