---
product_id: 66716339
title: "Micro 100 TM-250-20X UN Helical Flute Thread Mill, AlTIN Coated, 3 Flutes, 0.180\" Cutter Diameter, 1/4-20 Minimum Thread and Pitch, 1/2\" Length of Cut, 1/4\" Shank Diameter, 2-1/2\" Overall Length, Solid Carbide Tool"
brand: "micro 100"
price: "23.37 OMR"
currency: OMR
in_stock: true
category: "Misc."
url: https://www.desertcart.com.om/products/66716339-micro-100-tm-250-20x-un-helical-flute-thread-mill
store_origin: OM
region: Oman
---

# Micro 100 TM-250-20X UN Helical Flute Thread Mill, AlTIN Coated, 3 Flutes, 0.180" Cutter Diameter, 1/4-20 Minimum Thread and Pitch, 1/2" Length of Cut, 1/4" Shank Diameter, 2-1/2" Overall Length, Solid Carbide Tool

**Brand:** micro 100
**Price:** 23.37 OMR
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Micro 100 TM-250-20X UN Helical Flute Thread Mill, AlTIN Coated, 3 Flutes, 0.180" Cutter Diameter, 1/4-20 Minimum Thread and Pitch, 1/2" Length of Cut, 1/4" Shank Diameter, 2-1/2" Overall Length, Solid Carbide Tool by micro 100
- **How much does it cost?** 23.37 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/66716339-micro-100-tm-250-20x-un-helical-flute-thread-mill)

## Best For

- micro 100 enthusiasts

## Why This Product

- Trusted micro 100 brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

MICRO 100 TM-250-20X AlTiN - Aluminum Titanium Nitride coated, helical flute, UN - unified, solid carbide thread mill. Designed and engineered with a helical flute design for reducing cutting forces, machining smoother cuts, longer lasting tool life and providing maximum thread milling performance. Capable of right and/or left hand threads while allowing for 100% thread form versus the tapping method. Best suited for all types of materials especially heat treated and difficult to machine workpiece materials. AlTiN coatings are high performance and versatile. Has a higher breakdown temperature while maintaining high surface hardness at elevated temperatures. This type of coating also promotes tool life and allows for faster feeds and speeds. Applicable with oxidation temperatures up to 800° C or 1450° F. AlTiN coatings are best suited for alloy steels, stainless steels, tool steels, nickel alloys, titanium and excellent for dry machining applications.. MICRO 100 Solid Carbide Tools feature more than just a micro-grain of excellent quality. Their substrate is in class of its own resulting from exclusive treating processes that allow increased speed and feed rates. For over 45 years, MICRO 100 is a known industry leader and internationally acclaimed when it comes to solid carbide tooling.

## Features

- Helical Flute UN Thread Mills
- Helical flute design for reducing cutting forces, smoother cuts, longest tool life, and maximum thread milling performances
- Cuts right hand and left hand quality threads
- Made in USA
- Coated AlTiN for extended tool life

## Images

![Micro 100 TM-250-20X UN Helical Flute Thread Mill, AlTIN Coated, 3 Flutes, 0.180" Cutter Diameter, 1/4-20 Minimum Thread and Pitch, 1/2" Length of Cut, 1/4" Shank Diameter, 2-1/2" Overall Length, Solid Carbide Tool - Image 1](https://images-na.ssl-images-amazon.com/images/I/31ZY%2B0V74QL.jpg)

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**Shop now:** [https://www.desertcart.com.om/products/66716339-micro-100-tm-250-20x-un-helical-flute-thread-mill](https://www.desertcart.com.om/products/66716339-micro-100-tm-250-20x-un-helical-flute-thread-mill)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-03-04*