---
product_id: 181162198
title: "Earl Diamond Super Heavy Duty Drill Chuck 5/8\" Capacity with R8 Shank Precision Integrated & Chuck Jaw Tightening Key (R8-B18)"
brand: "earl diamond"
price: "35.75 OMR"
currency: OMR
in_stock: true
url: https://www.desertcart.com.om/products/181162198-earl-diamond-super-heavy-duty-drill-chuck-5-8-capacity
store_origin: OM
region: Oman
---

# Precision 0.005" accuracy 5/8" max capacity R8 shank compatibility Earl Diamond Super Heavy Duty Drill Chuck 5/8" Capacity with R8 Shank Precision Integrated & Chuck Jaw Tightening Key (R8-B18)

**Brand:** earl diamond
**Price:** 35.75 OMR
**Availability:** ✅ In Stock

## Summary

> 🔩 Drill like a pro, hold like a boss!

## Quick Answers

- **What is this?** Earl Diamond Super Heavy Duty Drill Chuck 5/8" Capacity with R8 Shank Precision Integrated & Chuck Jaw Tightening Key (R8-B18) by earl diamond
- **How much does it cost?** 35.75 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/181162198-earl-diamond-super-heavy-duty-drill-chuck-5-8-capacity)

## Best For

- earl diamond enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted from ultra-durable 40CR steel with HRC60 hardness
- • **Rock-Solid Grip:** Clamps 3-16mm bits with unshakable precision
- • **Precision Perfected:** Jaw tightening key ensures 0.005" max runout for flawless drilling
- • **Ready for Heavy Duty:** Supports up to 0.63" cutting diameter for serious projects
- • **Seamless R8 Integration:** Fits perfectly on drill presses & lathe spindles

## Overview

The Earl Diamond Super Heavy Duty Drill Chuck features a robust 5/8" (16mm) clamping range, precision accuracy within 0.005", and an R8 shank designed for seamless use with drill presses and lathe spindles. Made from hardened 40CR steel (HRC60), it includes a chuck jaw tightening key for secure bit holding, making it the ultimate choice for professionals demanding durability and precision.

## Description

Earl Diamond Super Heavy Duty Drill Chuck 5/8" Capacity with R8 Shank Precision Integrated & Chuck Jaw Tightening Key (R8-B18)

## Features

- Material: 40CR, Hardness HRC60.
- Clamping Range: 3-16mm (1/8"~5/8").
- R8 Shank: Suitable for drill presses or lathes spindle accepts R8 shank.
- Maximum T. I. R. does not exceed,accuracy: 0.005".
- Component: Chuck jaw tightening key.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Thread Size | 1-8 UNC |
| Capacity | 0.63 Inches |
| Included Components | Chuck Key |
| Global Trade Identification Number | 00034948681748 |
| Manufacturer | Earl Diamond |
| UPC | 034948681748 |
| Item Weight | 2.77 pounds |
| Product Dimensions | 4.65 x 2.33 x 3.55 inches |
| Color | R8-b18 |
| Cutting Diameter | 0.63 Inches |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** Earl Diamond
- **Material:** 40CR
- **Item Diameter:** 0.63 Inches
- **Item Weight:** 1.26 Kilograms
- **Compatible Devices:** Drilling Machine

## Images

![Earl Diamond Super Heavy Duty Drill Chuck 5/8" Capacity with R8 Shank Precision Integrated & Chuck Jaw Tightening Key (R8-B18) - Image 1](https://m.media-amazon.com/images/I/61sNAq96+8L.jpg)
![Earl Diamond Super Heavy Duty Drill Chuck 5/8" Capacity with R8 Shank Precision Integrated & Chuck Jaw Tightening Key (R8-B18) - Image 2](https://m.media-amazon.com/images/I/715IGCli-DL.jpg)
![Earl Diamond Super Heavy Duty Drill Chuck 5/8" Capacity with R8 Shank Precision Integrated & Chuck Jaw Tightening Key (R8-B18) - Image 3](https://m.media-amazon.com/images/I/71a7MJcSaAL.jpg)
![Earl Diamond Super Heavy Duty Drill Chuck 5/8" Capacity with R8 Shank Precision Integrated & Chuck Jaw Tightening Key (R8-B18) - Image 4](https://m.media-amazon.com/images/I/71ZLxhSaiTL.jpg)
![Earl Diamond Super Heavy Duty Drill Chuck 5/8" Capacity with R8 Shank Precision Integrated & Chuck Jaw Tightening Key (R8-B18) - Image 5](https://m.media-amazon.com/images/I/71votZUTzEL.jpg)

## Available Options

This product comes in different **Color** options.

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.com.om/products/181162198-earl-diamond-super-heavy-duty-drill-chuck-5-8-capacity](https://www.desertcart.com.om/products/181162198-earl-diamond-super-heavy-duty-drill-chuck-5-8-capacity)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-02-01*