---
product_id: 66941697
title: "Dorian Tool ER40 CAT40 Shank Alloy Steel 8620 Collet Holder, 2.5\" Projection, 2.48\" Nose Diameter, 0.118\" - 1.023\" Collet Range"
brand: "dorian tool"
price: "¥33914"
currency: JPY
in_stock: true
category: "Misc."
url: https://www.desertcart.jp/products/66941697-dorian-tool-er40-cat40-shank-alloy-steel-8620-collet-holder
store_origin: JP
region: Japan
---

# Dorian Tool ER40 CAT40 Shank Alloy Steel 8620 Collet Holder, 2.5" Projection, 2.48" Nose Diameter, 0.118" - 1.023" Collet Range

**Brand:** dorian tool
**Price:** ¥33914
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Dorian Tool ER40 CAT40 Shank Alloy Steel 8620 Collet Holder, 2.5" Projection, 2.48" Nose Diameter, 0.118" - 1.023" Collet Range by dorian tool
- **How much does it cost?** ¥33914 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/66941697-dorian-tool-er40-cat40-shank-alloy-steel-8620-collet-holder)

## Best For

- dorian tool enthusiasts

## Why This Product

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

## Description

Dorian Tool CAT taper ER collet holders. CAT 40 style. The only Clamping System with the versatility to allow and combine drilling, reaming, milling, and tapping utilizing the same chuck, without sacrificing accuracy or rigidity. Scientifically balanced to save spindle life, tool life, and increased productivity. Threaded through holes for a tool stop or coolant through when removed. Thru Hole of the tool holder allows the use of Thru Coolant Tools when used with a Thru Coolant retention knob and sealed collet. Holder comes with a Certificate of Inspection. Precision balanced to 12,000 rpm. 0.0001-inches taper-bore runout tolerance for more cutting tool life and better surface finish. Made of 8620 Alloy Steel with Case Hardness of 56-60 HRC and Core Hardness of 36-40 HRC for durability and rigidity. Tapers Ground to AT-3 Specifications or Better, ensures precise fit with max contact surface area with machine spindle. Made in Italy. Collet Series: ER40. Collet range: 0.118 - 1.023-inches. Body diameter: 2.48-inches. Gage length: 2.50-inches. Hole depth: 1.50-inches.

## Features

- CAT taper ER collet holder
- Threaded through holes for a tool stop or coolant through when removed
- 0.0001-inches taper-bore runout tolerance for more cutting tool life and better surface finish
- Scientifically balanced to save spindle life, tool life, and increased productivity
- Comes with a certificate of inspection

## Images

![Dorian Tool ER40 CAT40 Shank Alloy Steel 8620 Collet Holder, 2.5" Projection, 2.48" Nose Diameter, 0.118" - 1.023" Collet Range - Image 1](https://images-na.ssl-images-amazon.com/images/I/412XjDanBhL.jpg)
![Dorian Tool ER40 CAT40 Shank Alloy Steel 8620 Collet Holder, 2.5" Projection, 2.48" Nose Diameter, 0.118" - 1.023" Collet Range - Image 2](https://images-na.ssl-images-amazon.com/images/I/31KgrUpyb3L.jpg)

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**Shop now:** [https://www.desertcart.jp/products/66941697-dorian-tool-er40-cat40-shank-alloy-steel-8620-collet-holder](https://www.desertcart.jp/products/66941697-dorian-tool-er40-cat40-shank-alloy-steel-8620-collet-holder)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-09*