---
product_id: 346733153
title: "Stainless Steel 25 Pcs Fender Bumper Washer Bolt M5x18mm CNC Finishing Washer Engine Bay Dress Up Fastener Kit Flares Widebody kit Installation hardware"
brand: "stetion"
price: "$68.10"
currency: USD
in_stock: true
category: "Stetion"
url: https://www.desertcart.us/products/346733153-stainless-steel-25-pcs-fender-bumper-washer-bolt-m5x18mm-cnc
store_origin: US
region: United States of America
---

# 25PCS premium stainless steel fasteners M5x18mm bolts with extended threaded length CNC-machined precision & included hex wrench Stainless Steel 25 Pcs Fender Bumper Washer Bolt M5x18mm CNC Finishing Washer Engine Bay Dress Up Fastener Kit Flares Widebody kit Installation hardware

**Brand:** stetion
**Price:** $68.10
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate your ride’s style with precision-engineered fasteners that mean business.

## Quick Answers

- **What is this?** Stainless Steel 25 Pcs Fender Bumper Washer Bolt M5x18mm CNC Finishing Washer Engine Bay Dress Up Fastener Kit Flares Widebody kit Installation hardware by stetion
- **How much does it cost?** $68.10 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/346733153-stainless-steel-25-pcs-fender-bumper-washer-bolt-m5x18mm-cnc)

## Best For

- stetion enthusiasts

## Why This Product

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

## Key Features

- • **Extended M5x18mm Bolts:** Longer threaded bite for secure, reliable fastening every time.
- • **Hassle-Free Installation:** Includes inner hex wrench to eliminate tool size guesswork and speed up your build.
- • **Precision CNC Machined Hardware:** Engineered for durability and rust-free performance under pressure.
- • **Complete 25-Piece Stainless Steel Kit:** Everything you need for flawless widebody and fender installs.
- • **Universal Fit for Automotive Dress-Up:** Perfect for fenders, bumpers, ducktails, and engine bay upgrades.

## Overview

This 25-piece fastener kit features premium CNC-machined stainless steel washers, rivet nuts, and M5x18mm bolts designed for automotive widebody kits and fender installations. Each component is salt spray tested for corrosion resistance, ensuring long-lasting durability. The included inner hex wrench streamlines installation, making it the go-to hardware upgrade for professional-grade vehicle dress-up projects.

## Description

Features:-100% Brand new and Never used-These fender washers are machined from high quality CNC Stainless steel, durability,Durable, never rusty.-These washers and bolts can be used in places such as: fenders, bumpers, headlights, trunk, license plate frame, and anywhere else they will fit.Package Included:M5x18 Stainless Steel Washer x 25pcsStainless Steel Bolts x 25pcsStainless Steel Rivet Nuts x 25pcsInner HEXAGON Wrench x 1pcsThe package contains a bolt Inner HEXAGON Wrench, Eliminate all customer worries

## Features

- ★ You Can Get 25PCS Stainless Steel Washer, 25pcs Stainless Steel Rivet Nuts, 25pcs M5x18mm Bolts, And 1pcs Inner Hexagon Wrench for Easy Installation, You'll no longer grapple with the size of the hexagon wrench.
- ★ Use for Automotive Wide Body Kit, Universal Fender, Ducktails, Engine Bay Dress Up Fastener
- ★ Each Batch of Stainless Steel Hardware is Qualitatively Tested With Salt Spray
- ★ Bolts: M5X18MM, longer than many others out there, Sufficient threaded bite length Safe and reliable
- ★ QUALITY GUARANTEE — Customer satisfaction is our main aim, If you have any questions, please feel free to contact us and we will serve you 24 hours a day.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B087Q24GMN |
| Brand | STETION |
| Colour | Stainless steel |
| Compatible Groove Diameter | 5.5 Millimeters |
| Fastener Type | Bolt, Rivet |
| Finish Types | Plain |
| Item Diameter | 5 Millimetres |
| Item Dimensions | 18 x 18 x 3 Millimeters |
| Item Shape | Round, Cylindrical |
| Item dimensions L x W x H | 18 x 18 x 3 Millimeters |
| Manufacturer | STETION |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Model | SH-0427-A |
| Number Of Items | 25 |
| Number of Pieces | 25 |
| Part Number | SH-0427-A |
| Screw Head Style | Hex |
| Size | #5-20 |
| Size Name | #5-20 |
| Thread Size | M5x18mm |
| UPC | 756588129656 |
| Unit Count | 1.0 Count |

## Product Details

- **Size:** #5-20
- **Colour:** Stainless steel
- **Material:** Stainless Steel
- **Brand:** STETION
- **Item dimensions L x W x H:** 18 x 18 x 3 Millimeters

## Images

![Stainless Steel 25 Pcs Fender Bumper Washer Bolt M5x18mm CNC Finishing Washer Engine Bay Dress Up Fastener Kit Flares Widebody kit Installation hardware - Image 1](https://m.media-amazon.com/images/I/61gBaWxjR+L.jpg)
![Stainless Steel 25 Pcs Fender Bumper Washer Bolt M5x18mm CNC Finishing Washer Engine Bay Dress Up Fastener Kit Flares Widebody kit Installation hardware - Image 2](https://m.media-amazon.com/images/I/615qWRLDvML.jpg)
![Stainless Steel 25 Pcs Fender Bumper Washer Bolt M5x18mm CNC Finishing Washer Engine Bay Dress Up Fastener Kit Flares Widebody kit Installation hardware - Image 3](https://m.media-amazon.com/images/I/61yb0UX2L-L.jpg)
![Stainless Steel 25 Pcs Fender Bumper Washer Bolt M5x18mm CNC Finishing Washer Engine Bay Dress Up Fastener Kit Flares Widebody kit Installation hardware - Image 4](https://m.media-amazon.com/images/I/61WCNyJgROL.jpg)
![Stainless Steel 25 Pcs Fender Bumper Washer Bolt M5x18mm CNC Finishing Washer Engine Bay Dress Up Fastener Kit Flares Widebody kit Installation hardware - Image 5](https://m.media-amazon.com/images/I/61-IO4qBK5L.jpg)

## Questions & Answers

**Q: What size drill bit is needed for install?**
A: Hello, Thank you for your question, The mounting hole size of the rivet nut is 6.9mm, The mounting hole size of the screw is 5.2mm.

**Q: What is the maximum thickness of material the rivenuts can fasten through ?**
A: Hello, I'm glad to answer your question. The M5 riveting nut can be used for steel plates of 0.5-3mm thickness. Gaskets and screws and nuts are made of stainless steel. The specific size can be referred to the second image of listing. Thank you

**Q: are these washers solid? (ie., flat on the bottom)**
A: Hi, The washer is made of stainless steel CNC, The bottom is a solid plane.

**Q: What size drill but to make holes in my fenders?**
A: Hello
This rivet nut size is M5 and its bottom hole requires 7mm. So you need to drill 7mm holes. Thank you

## Frequently Bought Together

- STETION Stainless Steel 25 Pcs Fender Bumper Washer Bolt M5x20mm CNC Finishing Washer Engine Bay Dress Up Fastener Kit Flares Widebody kit Installation Hardware
- BLACKHORSE-RACING 4PCS Universal Fender Flares 2"/50mm Wide Body Kit Wheel Arches Durable PU

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-26*