---
product_id: 586139988
title: "245PCS Bonded Sealing Washers, NBR Metric Zinc-Plated Steel Self-Centred Sealing Rubber Washers, Automotive Seal Gasket Crush O-Ring Assortment Kit Set, Includes Sizes of M6-M30"
brand: "daptemn"
price: "$55.01"
currency: USD
in_stock: true
reviews_count: 8
category: "Daptemn"
url: https://www.desertcart.us/products/586139988-245pcs-bonded-sealing-washers-nbr-metric-zinc-plated-steel-self
store_origin: US
region: United States of America
---

# 245pcs assorted sizes M6-M30 Works -30°C to 120°C, 39.2MPa pressure Zinc-plated steel + NBR rubber for max durability 245PCS Bonded Sealing Washers, NBR Metric Zinc-Plated Steel Self-Centred Sealing Rubber Washers, Automotive Seal Gasket Crush O-Ring Assortment Kit Set, Includes Sizes of M6-M30

**Brand:** daptemn
**Price:** $55.01
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal it like a pro — the ultimate crush washer kit for flawless fixes!

## Quick Answers

- **What is this?** 245PCS Bonded Sealing Washers, NBR Metric Zinc-Plated Steel Self-Centred Sealing Rubber Washers, Automotive Seal Gasket Crush O-Ring Assortment Kit Set, Includes Sizes of M6-M30 by daptemn
- **How much does it cost?** $55.01 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/586139988-245pcs-bonded-sealing-washers-nbr-metric-zinc-plated-steel-self)

## Best For

- daptemn enthusiasts

## Why This Product

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

## Key Features

- • **Trusted by Pros:** Top-rated with 4.6 stars and praised for quality and fit—join the savvy professionals who keep this kit on hand for flawless sealing every time.
- • **Complete Size Spectrum:** 245 precision washers from M6 to M30 cover every sealing need—never get stuck without the right fit again.
- • **Color-Coded Convenience:** Quickly identify sizes with color-coded washers, eliminating guesswork and speeding up your repair or assembly process.
- • **Premium Bonded Construction:** Zinc-plated steel fused with oil-resistant NBR rubber delivers unbeatable corrosion and wear resistance for long-lasting reliability.
- • **High-Pressure & Temperature Rated:** Engineered to withstand up to 39.2MPa and temperatures from -30°C to 120°C—perfect for automotive, marine, and industrial use.

## Overview

The Daptemn 245PCS Bonded Sealing Washers kit offers a comprehensive assortment of zinc-plated steel and NBR rubber bonded washers in sizes M6 through M30. Designed for high-pressure (up to 39.2MPa) and temperature (-30°C to 120°C) applications, these self-centred sealing washers provide superior corrosion, oil, and wear resistance. Ideal for automotive, marine, and industrial sealing tasks, the color-coded assortment ensures quick size identification, making it a must-have for professionals and DIY enthusiasts alike.

## Description

Daptemn 245PCS Bonded Sealing Washers, NBR Metric Zinc-Plated Steel Self-Centred Sealing Rubber Washers, Automotive Seal Gasket Crush O-Ring Assortment Kit Set, Includes Sizes of M6-M30: desertcart.com: Industrial & Scientific

Review: Handy & nicely priced. - So far so good. I can't just run into town and get these. I like having them on the truck. I don't use them very often, but they seem to work perfectly.
Review: Excellent seals. - This is a very good assortment of seals. Seem well made. Have used them on several small projects. Just be aware they can be thicker than what you are replacing. Highly recommended.

## Features

- FUNCTION: Daptemn 245pcs metric zinc-plated steel self-centred rubber seal washer combination box, is suitable for cars, ships, engines, oil pipelines, gas control, faucet seal repair with silicone seal washers
- INTERNAL SIZE: Assorted oil drain plug crush washer set internal diameter: M6 (6 mm / 0.24" ), M8 (8 mm / 0.35" ), M10 (10 mm / 0.39" ), M12 (12 mm / 0.47" ), M14 (14 mm / 0.55" ), M16 (16 mm / 0.63" ), M18 (18 mm / 0.71" ), M20 (20 mm / 0.79" ), M22 (22 mm / 0.87" ), M24 (24 mm / 0.94" ), M27 (27 mm / 1.06"), M30 (30 mm / 1.18")
- OUTER SIZE: Assorted o ring kit set outer diameter: M6 (9 mm / 0.35"), M8 (13 mm / 0.51"), M10 (15 mm / 0.59"), M12 (17mm/0.67"), M14 (19mm/0.75"), M16 (21mm/0.83"), M18 (24mm / 0.94"), M20 (27mm/1.06"), M22 (29 mm / 1.14"), M24 (31 mm / 1.22"), M27 (34.5 mm / 1.35"), M30 (37.6 mm / 1.48")
- SPECIFICATION: Bonded sealing washer has: M6 (25pcs ), M8 (25pcs ), M10 (25pcs ), M12 (25pcs ), M14 (25pcs ), M16 (20pcs ), M18 (20pcs ), M20 (20pcs ), M22 (20pcs ), M24 (15pcs ), M27 (15pcs ), M30 (10pcs ), a total of 245 pcs
- MATERIAL: NBR O-ring is made of zinc-plated steel gasket and rubber, with oil as medium, for sealing threaded pipe joints and plugs. The working pressure is 400KA/CM (39.2MPA), and the working temperature is between -30°C - 120°C. A washer is a part that is placed between the connecting piece and the nut
- HIGH QUALITY: High pressure tubing half pack assembly gasket complete specifications, not easy to rust, oil resistance, wear resistance, pressure resistance, wate proof long service life. The hardness is 2 times higher than that of copper gasketand 10 times higher than that of aluminum gasket
- PURPOSE: Used for: oil pipeline system as a medium, used for welding, mechanical devices, to prevent oil, fuel, water, medicine leakage. Crush washer assortment are color cod by size, eliminating the hassle of matching sizes
- AFTER SALE: If there is a quality question, please feel free to contact us, I will do my best to solve your problem as soon as possible, until you are satisfied

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CK2BZG4N |
| Best Sellers Rank | #23,720 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #5 in Sealing Washers |
| Brand | Daptemn |
| Color | 245PCS Black Seal Washers |
| Compatible Groove Diameter | 3E+1 Millimeters |
| Customer Reviews | 4.6 out of 5 stars 109 Reviews |
| Exterior Finish | Zinc |
| Fastener Size | M30 |
| Fastener Type | Flat Washer |
| Item Diameter | 37 Millimeters |
| Item Dimensions | 8.26 x 3.93 x 1.18 inches |
| Item Height | 1.18 inches |
| Item Thickness | 2 Millimeters |
| Manufacturer | Daptemn |
| Material | Nitrile Rubber |
| Material Type | Nitrile Rubber |
| Metal Type | Alloy Steel, Aluminum, Copper |
| Number of Pieces | 245 |
| Outside Diameter | 37 Millimeters |
| Screw Head Style | Flat |
| Size Name | 37 millimeters |
| Unit Count | 245.0 Count |
| Washer Type | Flat |

## Product Details

- **Material:** Nitrile Rubber
- **Outside Diameter:** 37 Millimeters
- **Washer Type:** Flat
- **Exterior Finish:** Zinc
- **Fastener Size:** M30

## Images

![245PCS Bonded Sealing Washers, NBR Metric Zinc-Plated Steel Self-Centred Sealing Rubber Washers, Automotive Seal Gasket Crush O-Ring Assortment Kit Set, Includes Sizes of M6-M30 - Image 1](https://m.media-amazon.com/images/I/817SBtdpurL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Handy & nicely priced.
*by T***. on October 27, 2025*

So far so good. I can't just run into town and get these. I like having them on the truck. I don't use them very often, but they seem to work perfectly.

### ⭐⭐⭐⭐⭐ Excellent seals.
*by F***. on September 2, 2025*

This is a very good assortment of seals. Seem well made. Have used them on several small projects. Just be aware they can be thicker than what you are replacing. Highly recommended.

### ⭐⭐⭐⭐⭐ Seal those leaks
*by S***N on July 26, 2025*

I kept having leaks from copper crush washers on brake and oil lines on various machines I restore. This fix them all. Absolute must haves for any at home mechanic.

## Frequently Bought Together

- Daptemn 245PCS Bonded Sealing Washers, NBR Metric Zinc-Plated Steel Self-Centred Sealing Rubber Washers, Automotive Seal Gasket Crush O-Ring Assortment Kit Set, Includes Sizes of M6-M30
- 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

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-08*