---
product_id: 151253589
title: "Rustark 320 Pcs Copper Flat Washers Assortment Kit Metric Sealing Washers M5 M6 M8 M10 M12 M14 M16 M20（12 Sizes）"
brand: "rustark"
price: "E£ 3144"
currency: EGP
in_stock: true
reviews_count: 8
url: https://www.desertcart.com.eg/products/151253589-rustark-320-pcs-copper-flat-washers-assortment-kit-metric-sealing
store_origin: EG
region: Egypt
---

# High conductivity & heat resistance 320 pcs versatile sizes Corrosion-resistant copper Rustark 320 Pcs Copper Flat Washers Assortment Kit Metric Sealing Washers M5 M6 M8 M10 M12 M14 M16 M20（12 Sizes）

**Brand:** rustark
**Price:** E£ 3144
**Availability:** ✅ In Stock

## Summary

> 🔩 Elevate your toolkit with copper precision – because every connection counts!

## Quick Answers

- **What is this?** Rustark 320 Pcs Copper Flat Washers Assortment Kit Metric Sealing Washers M5 M6 M8 M10 M12 M14 M16 M20（12 Sizes） by rustark
- **How much does it cost?** E£ 3144 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.eg](https://www.desertcart.com.eg/products/151253589-rustark-320-pcs-copper-flat-washers-assortment-kit-metric-sealing)

## Best For

- rustark enthusiasts

## Why This Product

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

## Key Features

- • **All-in-One Precision Kit:** 12 essential metric sizes (M5-M20) in one sleek organizer box for effortless selection and storage.
- • **Portable & User-Friendly:** Compact transparent case with customizable compartments lets you carry and access washers anytime, anywhere.
- • **Optimized for Performance:** Ensures tighter seals, reduces friction, and prevents loosening in electrical, automotive, and marine applications.
- • **Premium Copper Durability:** Crafted from red copper, these washers resist corrosion and withstand high temperatures for long-lasting performance.
- • **Trusted Support & Warranty:** Backed by responsive customer service and a 90-day return policy for peace of mind.

## Overview

This 320-piece copper flat washer assortment offers 12 metric sizes (M5 to M20) housed in a durable transparent organizer. Made from corrosion-resistant red copper, these washers provide superior heat resistance and electrical conductivity, ideal for sealing, reducing friction, and securing connections in electrical, automotive, and marine settings. Portable, easy to use, and backed by a 90-day return policy, this kit is a must-have for professionals seeking reliability and efficiency.

## Description

Rustark 320 Pcs Copper Flat Washers Assortment Kit Metric Sealing Washers M5 M6 M8 M10 M12 M14 M16 M20（12 Sizes）

## Features

- ✔Various Sizes --- We provide 12 kinds common used sizes for you, including: M5 M6 M8 M10 M12 M14 M16 M20, 320pcs in total, package in an durable transparent box, and you can choose the suitable one to meet your different needs.
- ✔Easy to Install and Carry ---- Come with plastic box, there are many plaids, you can fill it with different sizes, it is very convenient for you to choose size, easy to carry and store, you can carry your products anytime and anywhere, meanwhile, the operation process is simple, it can save your time and energy.
- ✔Copper Material ---- The material of product are made of red copper, compare with steel and rubber washers, have a high temperature resistance and high conductivity, tighter seal, extreme durability, what’s more, it can be stored for a long time in wet environment because of corrosion resistant.
- ✔Wide Applications ---- It can be used for electrical connections, such as: household, commercial appliances, automotive and marine, because of its high conductivity and corrosion resistant, it is very suitable for water, fuel and hydraulic fittings, high quality strong copper flat washers can be used to reduce friction, prevent loosening or dispersing pressure, protect the surface of the connection surface, in case of damage.
- ✔Reliable After-Sales Service ---- We will provide you with reliable after-sales service. If you have any questions about our products, please feel free to contact us, I will reply you within 12 hours, if our products have quality problems in the process of using, we will provide 90 days return service for you. Please set your heart at rest to purchase.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Copper |
| Outside Diameter | 26 Millimeters |
| Washer Type | Flat |
| Exterior Finish | Copper |
| Fastener Size | M14 |
| Size | 320PCS Copper |
| Metal Type | Copper |
| Brand | Rustark |
| Number of Pieces | 320 |
| Head Style | Flat |
| Fastener Type | Flat Washer |
| Compatible groove diameter | 24 Millimeters |
| UPC | 787414916034 |
| Manufacturer | Rustark |
| Part Number | R-flat washer |
| Item Weight | 10.8 ounces |
| Package Dimensions | 6.77 x 3.82 x 0.94 inches |
| Item model number | R-flat washer |
| Measurement System | Metric |
| Certification | An |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Copper
- **Outside Diameter:** 26 Millimeters
- **Washer Type:** Flat
- **Exterior Finish:** Copper
- **Fastener Size:** M14

## Images

![Rustark 320 Pcs Copper Flat Washers Assortment Kit Metric Sealing Washers M5 M6 M8 M10 M12 M14 M16 M20（12 Sizes） - Image 1](https://m.media-amazon.com/images/I/71rsuwjNmoL.jpg)
![Rustark 320 Pcs Copper Flat Washers Assortment Kit Metric Sealing Washers M5 M6 M8 M10 M12 M14 M16 M20（12 Sizes） - Image 2](https://m.media-amazon.com/images/I/71gwFAibehL.jpg)
![Rustark 320 Pcs Copper Flat Washers Assortment Kit Metric Sealing Washers M5 M6 M8 M10 M12 M14 M16 M20（12 Sizes） - Image 3](https://m.media-amazon.com/images/I/61ZEdqKvMLL.jpg)
![Rustark 320 Pcs Copper Flat Washers Assortment Kit Metric Sealing Washers M5 M6 M8 M10 M12 M14 M16 M20（12 Sizes） - Image 4](https://m.media-amazon.com/images/I/717c3m5yMZL.jpg)
![Rustark 320 Pcs Copper Flat Washers Assortment Kit Metric Sealing Washers M5 M6 M8 M10 M12 M14 M16 M20（12 Sizes） - Image 5](https://m.media-amazon.com/images/I/61JLUbIC+LL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Nice useful assortment
*by E***M on April 18, 2025*

Nice useful assortment.

### ⭐⭐⭐⭐⭐ The best for what I need.
*by J***N on August 17, 2024*

I got tired of going to town and paying a lot for two washers.

### ⭐⭐⭐⭐⭐ Nice assortment
*by N***H on February 29, 2024*

just what I was looking for. I do oil changed on an assortment of different cars. No more trips to autoparts stores for crush washers

## Frequently Bought Together

- Rustark 320 Pcs Copper Flat Washers Assortment Kit Metric Sealing Washers M5 M6 M8 M10 M12 M14 M16 M20（12 Sizes）
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**Shop now:** [https://www.desertcart.com.eg/products/151253589-rustark-320-pcs-copper-flat-washers-assortment-kit-metric-sealing](https://www.desertcart.com.eg/products/151253589-rustark-320-pcs-copper-flat-washers-assortment-kit-metric-sealing)

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*Product available on Desertcart Egypt*
*Store origin: EG*
*Last updated: 2026-01-22*