---
product_id: 29646069
title: "Pro Series by HHIP 3900-5498 Cat40 Mazak Retention Knob, 18.8 Diameter x 41.1mm (M16) by Pro Series HHIP"
brand: "pro series hhip"
price: "¥19253"
currency: JPY
in_stock: true
category: "Misc."
url: https://www.desertcart.jp/products/29646069-pro-series-by-hhip-3900-5498-cat40-mazak-retention-knob
store_origin: JP
region: Japan
---

# Pro Series by HHIP 3900-5498 Cat40 Mazak Retention Knob, 18.8 Diameter x 41.1mm (M16) by Pro Series HHIP

**Brand:** pro series hhip
**Price:** ¥19253
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Pro Series by HHIP 3900-5498 Cat40 Mazak Retention Knob, 18.8 Diameter x 41.1mm (M16) by Pro Series HHIP by pro series hhip
- **How much does it cost?** ¥19253 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/29646069-pro-series-by-hhip-3900-5498-cat40-mazak-retention-knob)

## Best For

- pro series hhip enthusiasts

## Why This Product

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

## Description

18.8 Diameter X 41.1mm CAT40 Retention Knob for Mazak Machines!;M16 thread;Heat treated alloy steel hardened to HRC 52~56Â°;All dimensions in accordance to MAZAK machine specifications;L is 44.1. ~ L1 16.1. ~ L2 is 11. ~ D is 22. ~ d1 is 18.8. ~ d2 is 12.45. ~ d3 is 17. ~ d4 is 7

## Features

- Pro Series by HHIP 3900-5498 Cat40 Mazak Retention Knob, 18.8 Diameter x 41.1mm (M16)

## Images

![Pro Series by HHIP 3900-5498 Cat40 Mazak Retention Knob, 18.8 Diameter x 41.1mm (M16) by Pro Series HHIP - Image 1](http://ecx.images-amazon.com/images/I/31mzfIEXNwL.jpg)

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**Shop now:** [https://www.desertcart.jp/products/29646069-pro-series-by-hhip-3900-5498-cat40-mazak-retention-knob](https://www.desertcart.jp/products/29646069-pro-series-by-hhip-3900-5498-cat40-mazak-retention-knob)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-18*