---
product_id: 221981991
title: "Glarks 300Pcs 12 Size Metric Flat Ring Copper Sealing Washers Assortment Set"
brand: "glarks"
price: "€ 40.45"
currency: EUR
in_stock: true
url: https://www.desertcart.sk/products/221981991-glarks-300pcs-12-size-metric-flat-ring-copper-sealing-washers
store_origin: SK
region: Slovakia
---

# Corrosion resistant 300 pcs 12 sizes Glarks 300Pcs 12 Size Metric Flat Ring Copper Sealing Washers Assortment Set

**Brand:** glarks
**Price:** € 40.45
**Availability:** ✅ In Stock

## Summary

> 🔩 Seal the Deal with Confidence!

## Quick Answers

- **What is this?** Glarks 300Pcs 12 Size Metric Flat Ring Copper Sealing Washers Assortment Set by glarks
- **How much does it cost?** € 40.45 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/221981991-glarks-300pcs-12-size-metric-flat-ring-copper-sealing-washers)

## Best For

- glarks enthusiasts

## Why This Product

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

## Key Features

- • **📦 Complete Set:** Includes 300 assorted washers in 12 different sizes for all your needs.
- • **⚡ Easy Installation:** Smooth surface reduces friction, ensuring a tight seal.
- • **🔧 Superior Quality:** Crafted from high-conductivity copper for unbeatable performance.
- • **🛠️ Versatile Use:** Perfect for automotive, marine, and household applications.
- • **🛡️ Long-lasting Durability:** Resistant to rust and oxidation, prolonging the lifespan of your screws.

## Overview

The Glarks 300Pcs 12 Size Metric Flat Ring Copper Sealing Washers Assortment Set is a comprehensive collection of high-quality copper washers designed for superior conductivity and corrosion resistance. This set includes 300 pieces in various sizes, making it ideal for a wide range of applications, from automotive to household use. Easy to install and built to last, these washers ensure a reliable seal and enhance the longevity of your projects.

## Description

Glarks 300Pcs 12 Size Metric Flat Ring Copper Sealing Washers Assortment Set

## Features

- ★『High Quality Meterial』: All the flat washers are made of copper, which with high conductivity, corrosion resistant. They have a tighter seal and high heat resistance than steel and rubber washers
- ★『Good Performance』: These most commonly used copper washers have superior rust resistance and the excellent of oxidation resistance, which can ensure long time using and prolong screws lifespan, great for sump plugs, water, fuel and hydraulic fittings
- ★『Easy to Use』: They are very easy to install, the washer's surface are smooth can reduces friction between the screw and nut, prevents leakage, isolates, prevents loosening or dispersion pressure
- ★『Perfect Package』: In this set, It include 300Pcs metric flat washers of M5*9*1x35pcs, M6*10*1x30pcs, M6*12*1x30pcs, M8*13*1x30pcs, M10*14*1x30pcs, M8*14*1x25pcs, M12*16*1x25pcs, M14*18*1x25pcs, M16*20*1.5x20pcs, M16*22*1.5x15pcs, M12*18*1.5x20pcs, M20*26*1.5x15pcs for your use
- ★『Wide Application』: High quality copper flat washers with high conductivity perfect for electrical connections on household and commercial appliances, automotive and marine uses in which the power source has a threaded/bolt-type connection

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Glarks |
| Part number | GLAHTDP-300 |
| Item Weight | 310 g |
| Item model number | GLAHTDP-300 |
| Colour | copper |
| Material | Copper |
| Number of Pieces | 300 |
| Head Style | Flat |
| Cutting Diameter | 18 Millimetres |
| Batteries included? | No |
| Batteries Required? | No |
| Item diameter | 18 Millimetres |

## Product Details

- **Material:** Copper
- **Washer type:** Flat
- **Exterior finish:** Copper
- **Fastener size:** M20
- **Metal type:** Copper

## Images

![Glarks 300Pcs 12 Size Metric Flat Ring Copper Sealing Washers Assortment Set - Image 1](https://m.media-amazon.com/images/I/71EYQZfVGBL.jpg)

## Frequently Bought Together

- Glarks 300Pcs 12 Size Metric Flat Ring Copper Sealing Washers Assortment Set
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**Shop now:** [https://www.desertcart.sk/products/221981991-glarks-300pcs-12-size-metric-flat-ring-copper-sealing-washers](https://www.desertcart.sk/products/221981991-glarks-300pcs-12-size-metric-flat-ring-copper-sealing-washers)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-08-04*