---
product_id: 144830128
title: "KOOTANS 240pcs 12 Sizes NBR Metal Bonded Sealing Washer Assort Kit Hydralic Oil Resist Rubber Oil Pipe Seal Gasket Metric NBR Metal Combination O-Ring Assortment Kit"
brand: "kootans"
price: "€ 52.58"
currency: EUR
in_stock: true
reviews_count: 8
category: "Kootans"
url: https://www.desertcart.sk/products/144830128-kootans-240pcs-12-sizes-nbr-metal-bonded-sealing-washer-assort
store_origin: SK
region: Slovakia
---

# Heat & oil resistant High pressure sealing 240pcs multi-size kit KOOTANS 240pcs 12 Sizes NBR Metal Bonded Sealing Washer Assort Kit Hydralic Oil Resist Rubber Oil Pipe Seal Gasket Metric NBR Metal Combination O-Ring Assortment Kit

**Brand:** kootans
**Price:** € 52.58
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal like a pro, avoid leaks like a boss!

## Quick Answers

- **What is this?** KOOTANS 240pcs 12 Sizes NBR Metal Bonded Sealing Washer Assort Kit Hydralic Oil Resist Rubber Oil Pipe Seal Gasket Metric NBR Metal Combination O-Ring Assortment Kit by kootans
- **How much does it cost?** € 52.58 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/144830128-kootans-240pcs-12-sizes-nbr-metal-bonded-sealing-washer-assort)

## Best For

- kootans enthusiasts

## Why This Product

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

## Key Features

- • **Built to Endure:** NBR + carbon steel combo resists heat, oil, corrosion & wear
- • **Versatile Application:** Perfect for automotive, fuel, brake, and water line sealing needs
- • **Effortless Organization:** Labeled sturdy box keeps your washers sorted and accessible
- • **All-in-One Precision Kit:** 12 sizes, 240 pieces—ready for any sealing challenge
- • **Pressure-Proof Performance:** Reliable sealing under extreme hydraulic & pneumatic pressures

## Overview

The KOOTANS 240-piece NBR metal bonded sealing washer kit offers 12 metric sizes designed for high-pressure, high-temperature environments. Combining durable nitrile rubber with carbon steel, these washers provide superior oil, corrosion, and wear resistance—ideal for hydraulic, automotive, and industrial sealing applications. Packaged in a labeled organizer box, this kit ensures you’re always ready to tackle leaks with precision and confidence.

## Description

KOOTANS 240pcs 12 Sizes NBR Metal Bonded Sealing Washer Assort Kit Hydralic Oil Resist Rubber Oil Pipe Seal Gasket Metric NBR Metal Combination O-Ring Assortment Kit: desertcart.com: Industrial & Scientific

Review: Good to have on hand - Excellent product for those piskey times you need to seal a line or something similar to it
Review: SMOOTH TRANSACTION. - PRODUCT AS DESCRIBED.NO ISSUES,NO PROBLEMS.

## Features

- MATERIAL: High quanlity NBR ring with carbon steel, good sealing. Anti static, high pressure resistant, oil resistant, corrosion resistant, UV resistant, heat resistant, wear resistant, durable and long service life. Quantity: 12 Sizes,240 Pieces rubber metal combination O Ring gaskets, meet almost all your needs
- PRODUCT FEATURE: Reliable low and high pressure sealing, High and low temperature capabilities, Bolt torque is reduced with no loss of tightening load. Bonded washers are used extensively for sealing under the heads of bolts in high pressure applications where coppers washers would be unsuitable. They are often used in hydraulic and pneumatic connections that are subject to extreme pressures
- WIDE APPLICATION: Oil pipeline system as a medium, for mechanical device, to prevent oil, fuel, water and gas leakage, etc. Great for high pressure fuel systems, brake caliper banjo bolt, brake master cylinder, fuel line bolts and water line bolts in turbos, automotive replacement drain plug gaskets, etc
- EASY TO USE PACKING: All O-rings are stored in a sturdy plastic box with labels, that avoids the trouble of sorting and selecting the size. Variety of thickness and size are all in one box, very convenient to use
- INTERNAL DIAMETER: Φ6(6mm), Φ8(8mm), Φ10(10mm), Φ12(12mm), Φ14(14mm), Φ16(16mm), Φ18(18mm), Φ20(20mm), Φ22(22mm), Φ24(24mm), Φ27(27mm), Φ30(30mm). Metric, Please See Picture 2 for Specific Dimensional Size

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07QBNR7B4 |
| Best Sellers Rank | #46,274 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #11 in Sealing Washers |
| Brand | KOOTANS |
| Brand Name | KOOTANS |
| Color | 240pcs |
| Customer Reviews | 4.6 out of 5 stars 336 Reviews |
| Item Diameter | 1E+1 Millimeters |
| Manufacturer | KOOTANS |
| Material | Nitrile Rubber |
| Material Type | Nitrile Rubber |
| Nominal Inside Diameter | 6 Millimeters |
| Temperature Range | -4E+1 Degrees Celsius |
| UPC | 682365626899 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** KOOTANS
- **Color:** 240pcs
- **Item Diameter:** 1E+1 Millimeters
- **Material:** Nitrile Rubber
- **Nominal Inside Diameter:** 6 Millimeters

## Images

![KOOTANS 240pcs 12 Sizes NBR Metal Bonded Sealing Washer Assort Kit Hydralic Oil Resist Rubber Oil Pipe Seal Gasket Metric NBR Metal Combination O-Ring Assortment Kit - Image 1](https://m.media-amazon.com/images/I/71IsB4JNQQL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good to have on hand
*by E***S on August 16, 2024*

Excellent product for those piskey times you need to seal a line or something similar to it

### ⭐⭐⭐⭐⭐ SMOOTH TRANSACTION.
*by J***E on September 7, 2025*

PRODUCT AS DESCRIBED.NO ISSUES,NO PROBLEMS.

### ⭐⭐⭐⭐ Great selection of specialty seals
*by M***H on July 5, 2025*

Great selection of specialty seals, specifically for fuel lines. Some of the seal rings do have some flash particles that one should clean off before installing the seal rings.

## Frequently Bought Together

- KOOTANS 240pcs 12 Sizes NBR Metal Bonded Sealing Washer Assort Kit Hydralic Oil Resist Rubber Oil Pipe Seal Gasket Metric NBR Metal Combination O-Ring Assortment Kit
- XBVV 378 Pcs NBR Metal Bonded Sealing Washer Assortment Kit M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 Automotive Self-Centred Seal Gasket Repair Set
- 325 PCS, 10 Sizes, Premium Copper Metric Sealing Crush Washers Assortment Kit, Upgraded Flat Ring Oil Drain Plug Crush Washer Gasket Seal Assortment Set, Banjo Bolt Washer for Automotive, Motorcycles

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.sk/products/144830128-kootans-240pcs-12-sizes-nbr-metal-bonded-sealing-washer-assort](https://www.desertcart.sk/products/144830128-kootans-240pcs-12-sizes-nbr-metal-bonded-sealing-washer-assort)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-03-20*