---
product_id: 104823180
title: "SPEED TIGER Micrograin Carbide Square End Mill - 4 Flute - ISE1/4 4T (5 Pieces, 1/4\") - for Milling Alloy Steels, Hardened Steel, Metal & More – Mill Bits Sets for DIYers & Professionals"
brand: "speed tiger"
price: "C$6735"
currency: NIO
in_stock: true
reviews_count: 10
category: "Speed Tiger"
url: https://www.desertcart.ni/products/104823180-speed-tiger-micrograin-carbide-square-end-mill-4-flute-ise1
store_origin: NI
region: Nicaragua
---

# AlTiBN coating for superior heat resistance 4 Flutes for smooth, efficient cutting Micrograin carbide for unmatched toughness SPEED TIGER Micrograin Carbide Square End Mill - 4 Flute - ISE1/4 4T (5 Pieces, 1/4") - for Milling Alloy Steels, Hardened Steel, Metal & More – Mill Bits Sets for DIYers & Professionals

**Brand:** speed tiger
**Price:** C$6735
**Availability:** ✅ In Stock

## Summary

> ⚡ Cut sharper, last longer — own the edge with SPEED TIGER!

## Quick Answers

- **What is this?** SPEED TIGER Micrograin Carbide Square End Mill - 4 Flute - ISE1/4 4T (5 Pieces, 1/4") - for Milling Alloy Steels, Hardened Steel, Metal & More – Mill Bits Sets for DIYers & Professionals by speed tiger
- **How much does it cost?** C$6735 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/104823180-speed-tiger-micrograin-carbide-square-end-mill-4-flute-ise1)

## Best For

- speed tiger enthusiasts

## Why This Product

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

## Key Features

- • **Precision Perfected:** Achieve professional-grade cuts with ±0.02mm accuracy—no compromises.
- • **Heat-Defying Coating:** AlTiBN tech outperforms standard coatings, keeping your tools cooler and sharper longer.
- • **Ready for Any Project:** Packaged in sets of 5, ideal for both DIYers and pros aiming to elevate their craft.
- • **Durability Meets Value:** Micrograin carbide construction delivers long-lasting toughness without breaking the bank.
- • **Versatile Steel Mastery:** Engineered to mill carbon, alloy, hardened steels, and cast iron with ease.

## Overview

The SPEED TIGER Micrograin Carbide Square End Mill set features 4-flute, 1/4" diameter bits with precision ±0.02mm tolerance. Coated with advanced AlTiBN for superior heat resistance, these carbide tools excel at milling a wide range of steels and cast iron. Perfectly balanced for durability and performance, this 5-piece set is tailored for professionals and hobbyists seeking reliable, high-quality milling bits.

## Description

SPEED TIGER Micrograin Carbide Square End Mill - 4 Flute - ISE1/4 4T (5 Pieces, 1/4") - for Milling Alloy Steels, Hardened Steel, Metal & More – Mill Bits Sets for DIYers & Professionals: desertcart.com: Industrial & Scientific

Review: Works As Advertised - Sharp and true. Does what I expect from a carbide end mill.
Review: Great product, worth every penny - Bought these for a hobby. Received them and like that they are packaged individually, thus helping keep them sharp. Used them on a firearm building project and only eneded up using one. But stayed sharp and met the needs of what I was using it for. If your are a hobbyist and looking for some high quality milling bits with out having to pay a premium these are the ones to go to.

## Features

- ✅ APPLICATION - Our carbide tools are highly effective at machining various types of steel such as Carbon Steels (~HB225), Alloy Steels (HB225~325), Pre-hardened Steels (up to HRC45), Hardened Steels (HRC40~51), and Cast Iron.
- ✅ AlTiBN COATING - This coating, made of titanium aluminum boron nitride (AlTiBN), offers exceptional stability at high temperatures and surpasses the heat resistance of TiAlN, TiN, or TiCN coatings.
- ✅ HIGH-PERFORMANCE MATERIAL - This end mill is made from micrograin carbide, which gives it exceptional toughness, durability, and machinability. It performs brilliantly and is an excellent value for its price.
- ✅ FINE WORKMANSHIP - Our products deliver outstanding high accuracy with an error of -0.02mm, empowering users to achieve professional cutting quality effortlessly.
- ✅ DEDICATED SUPPORT - Please don't hesitate to contact us on desertcart if you need the Cutting Condition Data. We want to ensure you receive the best product that meets your requirements.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07FSGBW7S |
| Best Sellers Rank | #6,175 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Square Nose End Mills |
| Brand | SPEED TIGER |
| Cut Type | square end |
| Cutting Diameter | 0.25 Inches |
| Cutting Length | 0.75 Inches |
| Date First Available | July 23, 2018 |
| End Cut Type | Square End |
| Finish Type | AlTiBN |
| Is Discontinued By Manufacturer | No |
| Item Weight | 4.6 ounces |
| Item model number | ISE1-4-4T |
| Manufacturer | SPEED TIGER |
| Material | Carbide |
| Number of Cutting Edges | 4 |
| Number of Flutes | 4 |
| Product Dimensions | 2.5"L x 0.25"W |
| Shape | Square |
| Size | 1/4 in |
| Tolerance Held | Precision |

## Product Details

- **Cutting Diameter:** 0.25 Inches
- **Cutting Length:** 0.75 Inches
- **Finish Type:** AlTiBN
- **Material:** Carbide
- **Number of Flutes:** 4

## Images

![SPEED TIGER Micrograin Carbide Square End Mill - 4 Flute - ISE1/4 4T (5 Pieces, 1/4") - for Milling Alloy Steels, Hardened Steel, Metal & More – Mill Bits Sets for DIYers & Professionals - Image 1](https://m.media-amazon.com/images/I/41-OJBdTfyL.jpg)
![SPEED TIGER Micrograin Carbide Square End Mill - 4 Flute - ISE1/4 4T (5 Pieces, 1/4") - for Milling Alloy Steels, Hardened Steel, Metal & More – Mill Bits Sets for DIYers & Professionals - Image 2](https://m.media-amazon.com/images/I/41BhbqNf2AL.jpg)
![SPEED TIGER Micrograin Carbide Square End Mill - 4 Flute - ISE1/4 4T (5 Pieces, 1/4") - for Milling Alloy Steels, Hardened Steel, Metal & More – Mill Bits Sets for DIYers & Professionals - Image 3](https://m.media-amazon.com/images/I/51+729yQCIL.jpg)
![SPEED TIGER Micrograin Carbide Square End Mill - 4 Flute - ISE1/4 4T (5 Pieces, 1/4") - for Milling Alloy Steels, Hardened Steel, Metal & More – Mill Bits Sets for DIYers & Professionals - Image 4](https://m.media-amazon.com/images/I/512TEXrhwnL.jpg)
![SPEED TIGER Micrograin Carbide Square End Mill - 4 Flute - ISE1/4 4T (5 Pieces, 1/4") - for Milling Alloy Steels, Hardened Steel, Metal & More – Mill Bits Sets for DIYers & Professionals - Image 5](https://m.media-amazon.com/images/I/51LkE89LX+L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works As Advertised
*by N***J on August 27, 2025*

Sharp and true. Does what I expect from a carbide end mill.

### ⭐⭐⭐⭐⭐ Great product, worth every penny
*by B***N on January 25, 2025*

Bought these for a hobby. Received them and like that they are packaged individually, thus helping keep them sharp. Used them on a firearm building project and only eneded up using one. But stayed sharp and met the needs of what I was using it for. If your are a hobbyist and looking for some high quality milling bits with out having to pay a premium these are the ones to go to.

### ⭐⭐⭐⭐⭐ Worked great for engraving hardwood
*by W***D on January 2, 2026*

I used these bits in a Foredom jewelry engraving tool along with some StayMax Metal hollow number guided to engrave numbers in my beer flights project. Then I mixed powdered turquois in resin to make these numbered holes.

## Frequently Bought Together

- SPEED TIGER Micrograin Carbide Square End Mill - 4 Flute - ISE1/4 4T (5 Pieces, 1/4") - for Milling Alloy Steels, Hardened Steel, Metal & More – Mill Bits Sets for DIYers & Professionals
- SPEED TIGER Micrograin Carbide Square End Mill - 2 Flute - ISE1/4 2T (5 Pieces, 1/4") - for Milling Alloy Steels, Hardened Steel, Metal & More – Mill Bits Sets for DIYers & Professionals
- XYunEnZ ISB 3/32’’ Carbide Square Nose End Mill Set, 4 Flute Micro Grain Carbide End Mill Bits for Alloy Steels/Hardened Steels/Aluminum/Copper, Suitable for DIYers and Professionals, 5 Pcs

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**Shop now:** [https://www.desertcart.ni/products/104823180-speed-tiger-micrograin-carbide-square-end-mill-4-flute-ise1](https://www.desertcart.ni/products/104823180-speed-tiger-micrograin-carbide-square-end-mill-4-flute-ise1)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-01-26*