---
product_id: 77525970
title: "Silicon Bronze Flat Washers - 5/16\"-S (0.340 x 0.75 x .062) Qty-25"
brand: "raw products corp"
price: "HK$268"
currency: HKD
in_stock: true
reviews_count: 2
url: https://www.desertcart.hk/products/77525970-silicon-bronze-flat-washers-5-16-s-0-340-x
store_origin: HK
region: Hong Kong
---

# Durable 0.062" thickness for load distribution Precision 0.340" ID fits 5/16" bolts Marine-grade silicon bronze resists corrosion Silicon Bronze Flat Washers - 5/16"-S (0.340 x 0.75 x .062) Qty-25

**Brand:** raw products corp
**Price:** HK$268
**Availability:** ✅ In Stock

## Summary

> 🛠️ Elevate your fastening game with marine-grade strength and precision fit!

## Quick Answers

- **What is this?** Silicon Bronze Flat Washers - 5/16"-S (0.340 x 0.75 x .062) Qty-25 by raw products corp
- **How much does it cost?** HK$268 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/77525970-silicon-bronze-flat-washers-5-16-s-0-340-x)

## Best For

- raw products corp enthusiasts

## Why This Product

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

## Key Features

- • **Tough Alloy Composition:** Copper and tin blend delivers exceptional hardness and durability, built to last through demanding applications.
- • **Bulk Pack for Efficiency:** Set of 25 washers ensures you’re always ready for multiple projects—never run out mid-job.
- • **Engineered for Perfect Fit:** Precisely sized 0.340" inner diameter ensures seamless compatibility with 5/16" bolts for flawless assembly.
- • **Optimized Load Distribution:** 0.75" outer diameter and 0.062" thickness spread bolt pressure evenly, preventing damage and enhancing joint stability.
- • **Marine-Grade Corrosion Resistance:** Crafted from silicon bronze alloy, these washers withstand harsh environments, keeping your projects rust-free and reliable.

## Overview

These Silicon Bronze Flat Washers (5/16" size) feature a 0.340" inner diameter, 0.75" outer diameter, and 0.062" thickness. Made from a copper-tin alloy, they offer superior corrosion resistance and durability, ideal for marine and heavy-duty applications. Sold in packs of 25 for professional convenience.

## Description



## Features

- Flat washers are used to support and spread the load across the baring area of the bolt and nut to prevent pull through.
- A flat washer is a round outer diameter thin ring with a center hole (inner diameter) punched to a size just larger than a bolt or screw.
- Flat washers are normally used to distribute loads of threaded bolts, screws and nuts evenly as the fastener is tightened.
- Marine Grade Silicon Bronze Flat Washers are highly corrosion resistant
- Contains the alloys: copper and tin making it hard and tough

## Product Details

- **Material:** Silicon Bronze
- **Outside Diameter:** 0.75 Inches
- **Washer Type:** Flat
- **Exterior Finish:** Bronze
- **Fastener Size:** 5/16"

## Images

![Silicon Bronze Flat Washers - 5/16"-S (0.340 x 0.75 x .062) Qty-25 - Image 1](https://m.media-amazon.com/images/I/714hbbxK6lL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Five Stars
*by R***N on May 7, 2015*

Exactly as described

### ⭐⭐⭐⭐⭐ Nice color
*by C***D on November 22, 2014*

Great product as a jewelry component

## Frequently Bought Together

- Silicon Bronze Flat Washers - 5/16"-S (0.340 x 0.75 x .062) Qty-25
- Hex Finish Nuts Silicon Bronze - 5/16"-18 (1/2" Flats x 17/64" Thick) Qty-25
- 5/16" Lock Washer Split Ring Silicon Bronze Qty 25

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**Shop now:** [https://www.desertcart.hk/products/77525970-silicon-bronze-flat-washers-5-16-s-0-340-x](https://www.desertcart.hk/products/77525970-silicon-bronze-flat-washers-5-16-s-0-340-x)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-02-08*