---
product_id: 12226642
title: "Stanley Proto J4990-9M 3/8\" Drive Hex Bit Socket, 9mm"
brand: "proto"
price: "277 kr"
currency: DKK
in_stock: true
reviews_count: 10
category: "Proto"
url: https://www.desertcart.dk/products/12226642-stanley-proto-j4990-9m-3-8-drive-hex-bit-socket
store_origin: DK
region: Denmark
---

# Precise 9mm hex size for exact fit Heat-treated alloy for max durability 3/8-inch drive for versatile torque Stanley Proto J4990-9M 3/8" Drive Hex Bit Socket, 9mm

**Brand:** proto
**Price:** 277 kr
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate your toolkit with precision and durability that professionals swear by!

## Quick Answers

- **What is this?** Stanley Proto J4990-9M 3/8" Drive Hex Bit Socket, 9mm by proto
- **How much does it cost?** 277 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/12226642-stanley-proto-j4990-9m-3-8-drive-hex-bit-socket)

## Best For

- proto enthusiasts

## Why This Product

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

## Key Features

- • **Torque-Ready:** Hex opening secures bit, transferring torque efficiently without slippage
- • **Built to Last:** Heat-treated alloy resists wear and distortion for long-term reliability
- • **Compact Power:** 1-5/8-inch bit length balances reach and control in tight spaces
- • **Precision Fit:** Exact 9mm size ensures seamless compatibility with your tools
- • **Made in the USA:** Crafted domestically for trusted quality and performance

## Overview

The Stanley Proto J4990-9M is a 3/8-inch drive, 9mm hex bit socket engineered from heat-treated alloy for superior wear resistance and minimal distortion. Its hex opening securely holds bits to handle torque loads effectively, while the 1-5/8-inch bit length offers optimal reach. Proudly made in the USA, this socket is designed for professionals seeking reliable, precision tools that last.

## Description

Stanley J4990-9M Proto 3/8-inch Drive Hex Bit Socket - 9 mm Made using a heat treated alloy for wear-resistance which helps minimize distortion for a long life. Hex opening holds the bit allowing the bit holder to take the torque load. 3/8-inch Drive Metric Hex Bit Socket 9mm Size 1-5/8-inch Bit Length.

Review: Five Stars - Work perfect for taking out the slide bolts of the calipers for my 08 the Escape. Quick delivery
Review: Expensive for one piece - I bought an entire kit (less this one) one eBay for almost the same price!

## Features

- Made using a heat treated alloy for wear-resistance which helps minimize distortion for a long life
- Hex opening holds the bit allowing the bit holder to take the torque load
- 3/8-inch Drive Metric Hex Bit Socket
- Precise 9mm Size
- 1-5/8-inch Bit Length, Made in USA

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0026H9CSQ |
| Best Sellers Rank | #1,600,134 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #5,407 in Hex Keys |
| Brand Name | Proto |
| Customer Reviews | 4.1 4.1 out of 5 stars (19) |
| Drive System | Hex |
| Global Trade Identification Number | 00094701262775, 00662679170066 |
| Included Components | 3/8" Drive Hex Bit Socket - 9 mm |
| Item Type Name | 3/8" Drive Hex Bit Socket - 9 mm |
| Item Weight | 0.15 Pounds |
| Manufacturer | Stanley Proto |
| Manufacturer Warranty Description | Call vendor for warranty |
| Material Type | Blend |
| Model Number | J4990-9M |
| UPC | 094701262775 787721425748 662679170066 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Proto
- **Drive System:** Hex
- **Global Trade Identification Number:** 00094701262775, 00662679170066
- **Material:** Blend
- **UPC:** 094701262775 787721425748 662679170066

## Images

![Stanley Proto J4990-9M 3/8" Drive Hex Bit Socket, 9mm - Image 1](https://m.media-amazon.com/images/I/4159Xq5pAyL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Five Stars
*by J***B on November 22, 2016*

Work perfect for taking out the slide bolts of the calipers for my 08 the Escape. Quick delivery

### ⭐⭐⭐ Expensive for one piece
*by K***G on May 22, 2017*

I bought an entire kit (less this one) one eBay for almost the same price!

### ⭐⭐⭐⭐⭐ works great!
*by R***Y on March 14, 2018*

Hard to find, works great!

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**Shop now:** [https://www.desertcart.dk/products/12226642-stanley-proto-j4990-9m-3-8-drive-hex-bit-socket](https://www.desertcart.dk/products/12226642-stanley-proto-j4990-9m-3-8-drive-hex-bit-socket)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-04-24*