---
product_id: 27092130
title: "J.W. Winco 6331-M8 DIN6331 Collar Nut, M8 x 1.25 mm, Steel"
brand: "jw winco"
price: "¥26"
currency: JPY
in_stock: false
reviews_count: 1
url: https://www.desertcart.jp/products/27092130-j-w-winco-6331-m8-din6331-collar-nut-m8-x
store_origin: JP
region: Japan
---

# RoHS Compliant 13mm Across Flats M8 Thread Size J.W. Winco 6331-M8 DIN6331 Collar Nut, M8 x 1.25 mm, Steel

**Brand:** jw winco
**Price:** ¥26
**Availability:** ❌ Out of Stock

## Summary

> 🔧 Elevate Your Fastening Game with J.W. Winco!

## Quick Answers

- **What is this?** J.W. Winco 6331-M8 DIN6331 Collar Nut, M8 x 1.25 mm, Steel by jw winco
- **How much does it cost?** ¥26 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/27092130-j-w-winco-6331-m8-din6331-collar-nut-m8-x)

## Best For

- jw winco enthusiasts

## Why This Product

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

## Key Features

- • **Precision Engineering:** Designed for M8 x 1.25 mm threads, ensuring a perfect fit every time.
- • **Secure Clamping Power:** Experience unmatched stability with collar nuts that outperform standard hex nuts.
- • **Eco-Friendly Compliance:** Rest easy knowing your choice is RoHS compliant, aligning with sustainable practices.
- • **Versatile Compatibility:** Ideal for use with T-Slot bolts or studs, enhancing your project’s adaptability.
- • **Durable Steel Construction:** Crafted from robust steel, built to withstand the test of time and heavy-duty applications.

## Overview

The J.W. Winco 6331-M8 DIN6331 Collar Nut is a high-quality fastening solution designed for M8 x 1.25 mm threads. With a 13mm across flats measurement and RoHS compliance, this collar nut provides superior clamping strength compared to standard hex nuts, making it a reliable choice for various applications, especially when paired with T-Slot bolts or studs.

## Description

DIN6331-M8 Collar Nut Steel Class 10.

## Features

- Thread Size M8 X 125
- Across Flats 13mm
- RoHS Compliant
- Collar nuts offer more secure clamping than standard hex nuts
- Often used with T-Slot Bolts or studs

## Images

![J.W. Winco 6331-M8 DIN6331 Collar Nut, M8 x 1.25 mm, Steel - Image 1](https://m.media-amazon.com/images/I/61GGlun2h9L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Five Stars
  

*by K***Y on Reviewed in the United States on October 31, 2017*

It's a bolt. Not sure what to say. it was well made and as described I guess.

---

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**Shop now:** [https://www.desertcart.jp/products/27092130-j-w-winco-6331-m8-din6331-collar-nut-m8-x](https://www.desertcart.jp/products/27092130-j-w-winco-6331-m8-din6331-collar-nut-m8-x)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-15*