---
product_id: 215764513
title: "Copper Washers Kit 300PCS 12 Sizes"
brand: "muhize"
price: "AR$57358"
currency: ARS
in_stock: true
category: "Mu Hize"
url: https://www.desertcart.com.ar/products/215764513-copper-washers-kit-300pcs-12-sizes
store_origin: AR
region: Argentina
---

# High heat resistance 150pcs versatile kit Anti-corrosion copper Copper Washers Kit 300PCS 12 Sizes

**Brand:** muhize
**Price:** AR$57358
**Availability:** ✅ In Stock

## Summary

> 🛠️ Seal the deal with copper precision – don’t let leaks hold you back!

## Quick Answers

- **What is this?** Copper Washers Kit 300PCS 12 Sizes by muhize
- **How much does it cost?** AR$57358 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/215764513-copper-washers-kit-300pcs-12-sizes)

## Best For

- muhize enthusiasts

## Why This Product

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

## Key Features

- • **Multi-Industry Ready:** Perfect for automotive, marine, and industrial applications—be the go-to pro.
- • **Superior Heat Resistance:** Copper material withstands extreme temperatures better than steel or rubber.
- • **Complete 8-Size Assortment:** 150 precision copper washers from M6 to M20 for every repair need.
- • **Leak-Proof Seal Technology:** Ensures tighter seals to prevent fuel, oil, and hydraulic leaks.
- • **Corrosion-Resistant Durability:** Long-lasting washers that maintain integrity in harsh environments.

## Overview

The MuHize Copper Washers Kit offers 150 high-quality flat copper washers in 8 metric sizes (M6 to M20), engineered for superior sealing in automotive fuel lines, oil pan repairs, and hydraulic fittings. Crafted from corrosion-resistant copper, these washers provide enhanced heat resistance and leak prevention, making them an essential toolkit upgrade for professionals demanding reliability and durability.

## Description

MuHize Copper Washers Kit 300PCS 12 Sizes | Metric M5 to M20 Sealing Washers with Rustproof & High-Temperature Resistance for Automotive Oil Pan, Hydraulic Fittings: desertcart.com: Industrial & Scientific

## Features

- PACKAGE INCLUDE - ① MuHize copper metric sealing washer assortment kit contains 300pcs/12 Sizes of the most commonly used copper washers. ② Size: M5 M6 M8 M10 M12 M14 M16 M20.
- COPPER MATERIAL - The quality copper washers are made of copper. Compared with the steel and rubber washers, the copper washers have a tighter seal and higher heat resistance.
- HIGH CONDUCTIVITY - The corrosion-resistant copper washers are perfect for sump plugs, water, fuel, and hydraulic fittings. It can help reduce pressure and friction and prevent leakage, loosening, isolate or disperse pressure.
- WIDELY APPLICATION - MuHize 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.
- COPPER FLAT FUNCTION - Used with nuts and bolts and provide a greater bearing surface to prevent the nut or bolt head from tearing through the fastened material.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0892S4Y3T |
| Best Sellers Rank | #323,838 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1,599 in Flat Washers |
| Brand | MuHize |
| Color | Bronze |
| Compatible Groove Diameter | 19 millimeters |
| Customer Reviews | 4.6 4.6 out of 5 stars (441) |
| Exterior Finish | Copper |
| Fastener Size | M5, M6, M8, M10, M12, M14, M16, M20 |
| Fastener Type | Flat Washer |
| Finish Types | Copper |
| Item Highlight | Metric M5 to M20 Sealing Washers with Rustproof & High-Temperature Resistance for Automotive Oil Pan, Hydraulic Fittings |
| Manufacturer | Muhize |
| Material Type | Copper |
| Metal Type | Copper |
| Model | MUWASHER-COP300 |
| Number Of Items | 300 |
| Number of Packs | 1 |
| Number of Pieces | 300 |
| Part Number | MUWASHER-COP300 |
| Screw Head Style | Flat |
| Set Name | MuHize Copper Washers Kit 300PCS 12 Sizes |
| Size Name | M5, M6, M8, M10, M12, M14, M16, M20 |
| Thread Size | M5, M6, M8, M10, M12, M14, M16, M20 |
| Unit Count | 1 Count |
| Washer Application | automotive, marine, plumbing |
| Washer Compatibility | metric bolts |
| Washer Type | Flat |

## Product Details

- **Exterior Finish:** Copper
- **Fastener Size:** M5, M6, M8, M10, M12, M14, M16, M20
- **Material:** Copper
- **Size:** M5, M6, M8, M10, M12, M14, M16, M20
- **Washer Type:** Flat

## Images

![Copper Washers Kit 300PCS 12 Sizes - Image 1](https://m.media-amazon.com/images/I/51G-Rxbh4vL.jpg)
![Copper Washers Kit 300PCS 12 Sizes - Image 2](https://m.media-amazon.com/images/I/41imWGoBS2L.jpg)
![Copper Washers Kit 300PCS 12 Sizes - Image 3](https://m.media-amazon.com/images/I/51EVJIi1dNL.jpg)
![Copper Washers Kit 300PCS 12 Sizes - Image 4](https://m.media-amazon.com/images/I/41gJiWBSUmL.jpg)
![Copper Washers Kit 300PCS 12 Sizes - Image 5](https://m.media-amazon.com/images/I/51Y2fqcuvFL.jpg)

## Available Options

This product comes in different **Number Of Items** options.

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-11-07*