---
product_id: 32497936
title: "CNBTR Silver 40CR CNC Straight Shank Collet Chuck Stand Milling Lathe Extension Rod (R8-ER25)"
brand: "cnbtr collets"
price: "¥9371"
currency: JPY
in_stock: true
category: "Misc."
url: https://www.desertcart.jp/products/32497936-cnbtr-silver-40cr-cnc-straight-shank-collet-chuck-stand-milling
store_origin: JP
region: Japan
---

# CNBTR Silver 40CR CNC Straight Shank Collet Chuck Stand Milling Lathe Extension Rod (R8-ER25)

**Brand:** cnbtr collets
**Price:** ¥9371
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** CNBTR Silver 40CR CNC Straight Shank Collet Chuck Stand Milling Lathe Extension Rod (R8-ER25) by cnbtr collets
- **How much does it cost?** ¥9371 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/32497936-cnbtr-silver-40cr-cnc-straight-shank-collet-chuck-stand-milling)

## Best For

- cnbtr collets enthusiasts

## Why This Product

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

## Description

Features: 1. Long handle body suitable for deep hole machining 2. It can reduce the use of longer tools, which can reduce costs, improve efficiency 3. Tighten the nut straight, high rigidity, strong clamping 4. Made of high quality 40 chromium and durable  Specification:  Color: Silver and Black Material: 40 chromium (40CR)  Model: R8-ER25  Hardness: HRC46-50 Brand name: CNBTR Accuracy: 0.01 Collet nut: ER25  Overall Size: 146 x 42mm/5.75" x 1.65" (L x OD)  Shank length: 125mm/4.92" Shank OD: 25mm/0.98"  Shank ID: 12.5mm/0.49" Collet Nut OD: 42mm/1.65" Collet Nut ID: 21mm/0.83" Total Length: 146mm/5.75" Weight: 546g  Package Content:  1 x CNC Straight Shank Collet Chuck  (The unique MPN label on each inner package, which confirms it passed the quality inspection and it is genuine item sold from our shop. Please offer it to us when you need assistance.)

## Features

- Long handle body suitable for deep hole machining
- It can reduce the use of longer tools, which can reduce costs, improve efficiency
- Tighten the nut straight, high rigidity, strong clamping
- Made of high quality 40 chromium and durable

## Images

![CNBTR Silver 40CR CNC Straight Shank Collet Chuck Stand Milling Lathe Extension Rod (R8-ER25) - Image 1](https://images-na.ssl-images-amazon.com/images/I/41byZaCU%2BqL.jpg)
![CNBTR Silver 40CR CNC Straight Shank Collet Chuck Stand Milling Lathe Extension Rod (R8-ER25) - Image 2](https://images-na.ssl-images-amazon.com/images/I/31udsj08ajL.jpg)
![CNBTR Silver 40CR CNC Straight Shank Collet Chuck Stand Milling Lathe Extension Rod (R8-ER25) - Image 3](https://images-na.ssl-images-amazon.com/images/I/412IO0o2pqL.jpg)
![CNBTR Silver 40CR CNC Straight Shank Collet Chuck Stand Milling Lathe Extension Rod (R8-ER25) - Image 4](https://images-na.ssl-images-amazon.com/images/I/416otSu4kDL.jpg)
![CNBTR Silver 40CR CNC Straight Shank Collet Chuck Stand Milling Lathe Extension Rod (R8-ER25) - Image 5](https://images-na.ssl-images-amazon.com/images/I/417UnEq0zhL.jpg)

---

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**Shop now:** [https://www.desertcart.jp/products/32497936-cnbtr-silver-40cr-cnc-straight-shank-collet-chuck-stand-milling](https://www.desertcart.jp/products/32497936-cnbtr-silver-40cr-cnc-straight-shank-collet-chuck-stand-milling)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-14*