---
product_id: 142988188
title: "BT 6321-7 1/4\" Extra Long Straight Air Die Grinder – Professional-Grade Heavy-Duty Pneumatic Grinder with Variable Speed Control for Precision Grinding, Polishing & Sanding"
brand: "berkling tools"
price: "1671 kr"
currency: DKK
in_stock: true
url: https://www.desertcart.dk/products/142988188-bt-6321-7-1-4-extra-long-straight-air-die
store_origin: DK
region: Denmark
---

# 20,000 RPM 0.5 HP 7" Extension BT 6321-7 1/4" Extra Long Straight Air Die Grinder – Professional-Grade Heavy-Duty Pneumatic Grinder with Variable Speed Control for Precision Grinding, Polishing & Sanding

**Brand:** berkling tools
**Price:** 1671 kr
**Availability:** ✅ In Stock

## Summary

> 🔩 Elevate Your Craft with Precision Power!

## Quick Answers

- **What is this?** BT 6321-7 1/4" Extra Long Straight Air Die Grinder – Professional-Grade Heavy-Duty Pneumatic Grinder with Variable Speed Control for Precision Grinding, Polishing & Sanding by berkling tools
- **How much does it cost?** 1671 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/142988188-bt-6321-7-1-4-extra-long-straight-air-die)

## Best For

- berkling tools enthusiasts

## Why This Product

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

## Key Features

- • **Extended Reach:** 7" shaft allows access to tight spots effortlessly.
- • **Efficient Power:** 0.5 HP motor ensures minimal air consumption.
- • **Precision Control:** Adjustable speed up to 20,000 RPM for versatile tasks.
- • **Unmatched Durability:** Crafted with top-tier components for lasting reliability.
- • **Multi-Purpose Mastery:** Ideal for deburring, polishing, and grinding with impeccable finishes.

## Overview

The BT 6321-7 is a professional-grade 7" air die grinder designed for durability and efficiency. With a powerful 0.5 HP motor and adjustable speeds up to 20,000 RPM, it excels in various applications including deburring, polishing, and grinding. Its extended reach allows for easy access to tight spaces, making it an essential tool for both commercial and residential use.

## Description

BT 6321-7 | 7" Extra Long Extension 1/4“ Straight Air Die Grinder, Professional Grade Heavy Duty Variable High Speed (Straight, 7" Extension)

## Features

- ► 𝗤𝗨𝗔𝗟𝗜𝗧𝗬 𝗔𝗧 𝗜𝗧𝗦 𝗙𝗜𝗡𝗘𝗦𝗧 - Built with top-tier components, our Straight Die Grinder promises lasting durability and reliability.
- ► 𝗘𝗫𝗧𝗘𝗡𝗗𝗘𝗗 𝗥𝗘𝗔𝗖𝗛 - Dive into tight spots effortlessly with a 7" extended shaft, ensuring no corner remains untouched.
- ► 𝗘𝗙𝗙𝗜𝗖𝗜𝗘𝗡𝗧 𝗣𝗘𝗥𝗙𝗢𝗥𝗠𝗔𝗡𝗖𝗘 - Powered by a robust 0.5HP motor, our grinder operates efficiently with minimal air consumption.
- ► 𝗦𝗨𝗣𝗘𝗥𝗕 𝗦𝗣𝗘𝗘𝗗 𝗖𝗢𝗡𝗧𝗥𝗢𝗟 - Tackle tasks at your pace with an adjustable speed of up to 20,000 RPM, ensuring precision and versatility.
- ► 𝗠𝗨𝗟𝗧𝗜-𝗣𝗨𝗥𝗣𝗢𝗦𝗘 𝗨𝗦𝗘 - An essential tool for porting, weld grinding, edge smoothing, de-burring, and polishing, ensuring impeccable finishes every time.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Berkling Tools |
| Power Source | Air Powered |
| Recommended Uses For Product | Deburring, Polishing, Grinding |
| Color | Black |
| Special Feature | 7" Extension |
| Item Weight | 2.9 Pounds |
| Maximum Rotational Speed | 20000 RPM |
| Style | Heavy Duty,Professional |
| Minimum Speed | 20000 RPM |
| UPC | 670924924487 |
| Manufacturer | Berkling Tools |
| Part Number | BT-GND-014-007 |
| Item Weight | 2.9 pounds |
| Package Dimensions | 13.98 x 4.41 x 2.44 inches |
| Country of Origin | Taiwan |
| Item model number | BT 6321-7 |
| Is Discontinued By Manufacturer | No |
| Size | 7" Extension |
| Finish | Over Molded Rubber |
| Material | Composite and Aluminum |
| Pattern | Compact |
| Horsepower | 0.5 hp |
| Item Package Quantity | 1 |
| Air Flow Capacity | 4 Cubic Feet Per Minute |
| Sound Level | 84 dB |
| Extension Length | 7 |
| Handle Material | Composite |
| Speed | 20000.00 |
| Performance Description | 4 CFM @ 90 PSI |
| Special Features | 7" Extension |
| Usage | Commercial/Residential |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** Berkling Tools
- **Power Source:** Air Powered
- **Recommended Uses For Product:** Deburring, Polishing, Grinding
- **Color:** Black
- **Special Feature:** 7" Extension

## Images

![BT 6321-7 1/4" Extra Long Straight Air Die Grinder – Professional-Grade Heavy-Duty Pneumatic Grinder with Variable Speed Control for Precision Grinding, Polishing & Sanding - Image 1](https://m.media-amazon.com/images/I/71U8r8+tFQL.jpg)

## Available Options

This product comes in different **Material Type, Size** options.

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**Shop now:** [https://www.desertcart.dk/products/142988188-bt-6321-7-1-4-extra-long-straight-air-die](https://www.desertcart.dk/products/142988188-bt-6321-7-1-4-extra-long-straight-air-die)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-03-09*