---
product_id: 733135410
title: "1-1/4\" x 2.5\"OD Flat Washer, 18-8 (304) Stainless Steel Washers Flat, 2PCS"
brand: "instockbolts"
price: "Rp633485"
currency: IDR
in_stock: true
reviews_count: 13
category: "Instockbolts"
url: https://www.desertcart.id/products/733135410-1-1-4-x-2-5od-flat-washer-18-8
store_origin: ID
region: Indonesia
---

# 304 stainless steel corrosion-proof ASME B18.21.1 SAE Type A certified 1.25" diameter precision fit 1-1/4" x 2.5"OD Flat Washer, 18-8 (304) Stainless Steel Washers Flat, 2PCS

**Brand:** instockbolts
**Price:** Rp633485
**Availability:** ✅ In Stock

## Summary

> 🔩 Elevate your build with washers that mean business!

## Quick Answers

- **What is this?** 1-1/4" x 2.5"OD Flat Washer, 18-8 (304) Stainless Steel Washers Flat, 2PCS by instockbolts
- **How much does it cost?** Rp633485 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.id](https://www.desertcart.id/products/733135410-1-1-4-x-2-5od-flat-washer-18-8)

## Best For

- instockbolts enthusiasts

## Why This Product

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

## Key Features

- • **Dual-Pack Convenience:** Two washers per pack—ready for your next project or emergency fix
- • **Dedicated 24/7 Support:** Expert customer service on standby to ensure your perfect fit
- • **Precision Engineered Fit:** Exact 1-1/4" inner diameter for seamless assembly
- • **Certified Quality Assurance:** Meets ASME B18.21.1 SAE Type A standards for industrial reliability
- • **Premium 304 Stainless Steel:** Superior corrosion resistance beats zinc plating every time

## Overview

These 1-1/4" x 2.5" flat washers are crafted from premium 304 stainless steel, offering exceptional strength and corrosion resistance. Certified to ASME B18.21.1 SAE Type A standards, they ensure reliable performance in demanding environments. Sold in convenient 2-piece packs with dedicated customer support, these washers are the smart choice for professionals who settle for nothing less.

## Description

▶【Specification】Material: 304 stainless steelDimension：1-1/4 ▶【Package Content】2 x Flat washers▶【Note】Small parts, keep it away from children and babies.

Review: Great washers at a competitive price. - The washers were exactly as described by the seller, they arrived when promised, and worked well in my application.
Review: Nice washer - Fast shipping, good packaging

## Features

- Specification: ASME B18.21.1 SAE Type A
- 【Dimension】1-1/4"
- 🧰【High Quality Stainless】Flat Washer made of 304 stainless steel which is superior to regular steel and any zinc plated fasteners, provides good strength and corrosion resistance in bad environments
- 🧰【Rest Assured】24h private customer service to respond to after-sales problems.If you don't know what size is right for you, feel free to contact us.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CBRQP884 |
| Best Sellers Rank | #2,092 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #6 in Flat Washers |
| Brand | Instockbolts |
| Color | Silver |
| Date First Available | July 13, 2023 |
| Exterior Finish | Stainless Steel |
| Fastener Size | 1.25 inches |
| Item Diameter | 1.25 Inches |
| Item Weight | 4.6 ounces |
| Manufacturer | Instockbolts |
| Material | Stainless Steel |
| Metal Type | Stainless Steel |
| Number of Pieces | 2 |
| Outside Diameter | 2.5 Inches |
| Size | 1-1/4"/304 |
| Washer Type | Flat |

## Product Details

- **Exterior Finish:** Stainless Steel
- **Fastener Size:** 1.25 inches
- **Material:** Stainless Steel
- **Outside Diameter:** 2.5 Inches
- **Washer Type:** Flat

## Images

![1-1/4" x 2.5"OD Flat Washer, 18-8 (304) Stainless Steel Washers Flat, 2PCS - Image 1](https://m.media-amazon.com/images/I/316CkVR7KsL.jpg)
![1-1/4" x 2.5"OD Flat Washer, 18-8 (304) Stainless Steel Washers Flat, 2PCS - Image 2](https://m.media-amazon.com/images/I/316y7YKlN7L.jpg)
![1-1/4" x 2.5"OD Flat Washer, 18-8 (304) Stainless Steel Washers Flat, 2PCS - Image 3](https://m.media-amazon.com/images/I/31AUsiZOM-L.jpg)
![1-1/4" x 2.5"OD Flat Washer, 18-8 (304) Stainless Steel Washers Flat, 2PCS - Image 4](https://m.media-amazon.com/images/I/31MAKqY27eL.jpg)
![1-1/4" x 2.5"OD Flat Washer, 18-8 (304) Stainless Steel Washers Flat, 2PCS - Image 5](https://m.media-amazon.com/images/I/51Jo4RVvVEL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great washers at a competitive price.
*by L***R on October 2, 2025*

The washers were exactly as described by the seller, they arrived when promised, and worked well in my application.

### ⭐⭐⭐⭐⭐ Nice washer
*by D***D on December 11, 2025*

Fast shipping, good packaging

### ⭐⭐⭐⭐⭐ Great product!
*by M***N on December 12, 2025*

Nice quality product!

## Frequently Bought Together

- 1-1/4" x 2.5"OD Flat Washer, 18-8 (304) Stainless Steel Washers Flat, 2PCS
- Instockbolt 3/8" x 0.68"OD Split Lock Washer, 18-8 (304) Stainless Steel Spring Lock Washer 50PCS
- Vifmy Locknuts Assortment Kit,M3 M4 M5 M6 M8 M10 M12 140PCS Metric Nylon Insert Lock Nuts Set,304 Stainless Steel Lock Nuts

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**Shop now:** [https://www.desertcart.id/products/733135410-1-1-4-x-2-5od-flat-washer-18-8](https://www.desertcart.id/products/733135410-1-1-4-x-2-5od-flat-washer-18-8)

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*Product available on Desertcart Indonesia*
*Store origin: ID*
*Last updated: 2026-05-07*