---
product_id: 251309322
title: "STETION Stainless Steel 25 Pcs Fender Bumper Washer Bolt M5x20mm CNC Finishing Washer Engine Bay Dress Up Fastener Kit Flares Widebody kit Installation Hardware"
brand: "stetion"
price: "$126"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/251309322-stetion-stainless-steel-25-pcs-fender-bumper-washer-bolt-m5x20mm
store_origin: NZ
region: New Zealand
---

# 25 pcs premium stainless steel hardware M5x20mm precision CNC bolts Salt spray tested for corrosion resistance STETION Stainless Steel 25 Pcs Fender Bumper Washer Bolt M5x20mm CNC Finishing Washer Engine Bay Dress Up Fastener Kit Flares Widebody kit Installation Hardware

**Brand:** stetion
**Price:** $126
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate your ride’s style with precision hardware that means business.

## Quick Answers

- **What is this?** STETION Stainless Steel 25 Pcs Fender Bumper Washer Bolt M5x20mm CNC Finishing Washer Engine Bay Dress Up Fastener Kit Flares Widebody kit Installation Hardware by stetion
- **How much does it cost?** $126 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/251309322-stetion-stainless-steel-25-pcs-fender-bumper-washer-bolt-m5x20mm)

## 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

- • **Complete 25-Piece Kit:** Everything you need for flawless widebody and fender installs—washers, rivet nuts, bolts, and hex wrench included.
- • **Precision CNC Finishing:** M5x20mm bolts crafted with exacting CNC machining for a sleek, professional fit every time.
- • **Ergonomic Inner Hex Wrench:** Designed for easy installation without the hassle of mismatched tools—get your project done faster.
- • **Universal Fit for Automotive Mods:** Perfect for fender flares, ducktails, engine bay dress-up, and widebody kits—upgrade your ride’s style effortlessly.
- • **Corrosion-Resistant Stainless Steel:** Salt spray tested hardware ensures long-lasting durability and a polished look under the hood.

## Overview

The STETION 25-piece stainless steel fastener kit includes M5x20mm CNC-finished bolts, washers, rivet nuts, and an inner hex wrench, all salt spray tested for corrosion resistance. Designed for universal use in automotive widebody kits, fender flares, and engine bay dress-up, this polished hardware set delivers professional-grade durability and a sleek finish for millennial car enthusiasts who demand both style and performance.

## Description

STETION Stainless Steel 25 Pcs Fender Bumper Washer Bolt M5x20mm CNC Finishing Washer Engine Bay Dress Up Fastener Kit Flares Widebody kit Installation Hardware

## 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
- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Fastener type | Bolt |
| Head style | Hex |
| Finish type | Polished |
| Shape | Rectangular |
| Thread size | M5 |
| Number of pieces | 25 |
| Compatible groove diameter | 5.5 Millimetres |
| Grade rating | Class 10.9 |
| Manufacturer | STETION |
| UPC | 756588129656 |
| Part number | SH-0427-A |
| Item Weight | 231 g |
| Product Dimensions | 1.8 x 1.8 x 0.35 cm; 231 g |
| Item model number | SH-0427-A |
| Finish | Polished |
| Item Package Quantity | 1 |
| Head Style | Hex |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Size:** Stainless Steel
- **Colour:** Type1
- **Material:** Stainless Steel
- **Brand:** STETION
- **Item dimensions L x W x H:** 18 x 18 x 3 millimetres

## Images

![STETION Stainless Steel 25 Pcs Fender Bumper Washer Bolt M5x20mm 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)
![STETION Stainless Steel 25 Pcs Fender Bumper Washer Bolt M5x20mm 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)
![STETION Stainless Steel 25 Pcs Fender Bumper Washer Bolt M5x20mm 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)
![STETION Stainless Steel 25 Pcs Fender Bumper Washer Bolt M5x20mm 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)
![STETION Stainless Steel 25 Pcs Fender Bumper Washer Bolt M5x20mm 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)

## Available Options

This product comes in different **Colour Name** options.

## 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

---

## 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.nz/products/251309322-stetion-stainless-steel-25-pcs-fender-bumper-washer-bolt-m5x20mm](https://www.desertcart.nz/products/251309322-stetion-stainless-steel-25-pcs-fender-bumper-washer-bolt-m5x20mm)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-01-25*