---
product_id: 184009409
title: "SPEED TIGER Micrograin Carbide Square End Mill - 4 Flute - ISE5/16 4T (5 Pieces, 5/16\") - for Milling Alloy Steels, Hardened Steel, Metal & More – Mill Bits Sets for DIYers & Professionals"
brand: "speed tiger"
price: "€ 158.60"
currency: EUR
in_stock: true
reviews_count: 8
category: "Speed Tiger"
url: https://www.desertcart.es/products/184009409-speed-tiger-micrograin-carbide-square-end-mill-4-flute-ise5
store_origin: ES
region: Spain
---

# AlTiBN ultra heat resistance 4-flute precision cutting micrograin carbide toughness SPEED TIGER Micrograin Carbide Square End Mill - 4 Flute - ISE5/16 4T (5 Pieces, 5/16") - for Milling Alloy Steels, Hardened Steel, Metal & More – Mill Bits Sets for DIYers & Professionals

**Brand:** speed tiger
**Price:** € 158.60
**Availability:** ✅ In Stock

## Summary

> ⚡ Cut Sharp, Last Long, Outperform Always!

## Quick Answers

- **What is this?** SPEED TIGER Micrograin Carbide Square End Mill - 4 Flute - ISE5/16 4T (5 Pieces, 5/16") - for Milling Alloy Steels, Hardened Steel, Metal & More – Mill Bits Sets for DIYers & Professionals by speed tiger
- **How much does it cost?** € 158.60 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/184009409-speed-tiger-micrograin-carbide-square-end-mill-4-flute-ise5)

## 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 for flawless finishes every time.
- • **Heat-Defying Coating:** AlTiBN coating outperforms traditional TiAlN, TiN, and TiCN for unmatched thermal stability under pressure.
- • **Ready for Any Project:** Packaged individually to maintain edge sharpness—perfect for both DIY enthusiasts and pros.
- • **Durability Meets Value:** Micrograin carbide construction ensures long-lasting sharpness and toughness without breaking the bank.
- • **Versatile Steel Mastery:** Expertly mills carbon, alloy, pre-hardened, and hardened steels up to HRC66, plus cast iron.

## Overview

The SPEED TIGER Micrograin Carbide Square End Mill set features 4-flute, 5/16" diameter bits crafted from durable micrograin carbide with a premium AlTiBN coating. Engineered for precision with ±0.02mm tolerance, these mills excel in machining a wide range of steels—including hardened grades up to HRC66—and cast iron, making them the go-to choice for professionals and serious DIYers seeking high performance and longevity.

## Description

SPEED TIGER Micrograin Carbide Square End Mill - 4 Flute - ISE5/16 4T (5 Pieces, 5/16") - 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 (HRC40~66), 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 | B07QGR3HN4 |
| Best Sellers Rank | #6,227 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Square Nose End Mills |
| Brand Name | SPEED TIGER |
| Customer Reviews | 4.5 out of 5 stars 2,048 Reviews |
| Cut Type | Square End |
| Cutting Diameter | 0.31 Inches |
| Cutting Length | 13/16" Inches |
| End Cut Type | Square End |
| Finish Type | AlTiN |
| Finish Types | AlTiN |
| Helix Angle | 35 Degrees |
| Manufacturer | SPEED TIGER |
| Number of Cutting Edges | 4 |
| Number of Flutes | 4 |
| Shape | Square |
| Size | 5/16 in |
| Size Name | 5/16 in |
| Tolerance Held | Precision |

## Product Details

- **Cutting Diameter:** 0.31 Inches
- **Cutting Length:** 13/16" Inches
- **Finish Type:** AlTiN
- **Number of Flutes:** 4
- **Size:** 5/16 in

## Images

![SPEED TIGER Micrograin Carbide Square End Mill - 4 Flute - ISE5/16 4T (5 Pieces, 5/16") - for Milling Alloy Steels, Hardened Steel, Metal & More – Mill Bits Sets for DIYers & Professionals - Image 1](https://m.media-amazon.com/images/I/61CWgtyb73L.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 - ISE5/16 4T (5 Pieces, 5/16") - for Milling Alloy Steels, Hardened Steel, Metal & More – Mill Bits Sets for DIYers & Professionals
- 3pcs 3/8" Carbide Square End Mill for Steels, HRC 55 Deg, 4 Flute, AlTiN Coating End Mill Bits for Milling Alloy Steels, Hardened Steel, Metal & More
- SPEED TIGER EISE 1/8" Carbide Square End Mill - 4 Flutes Milling Bits Set for Alloy Steels, Hardened Steels, Aluminum, Copper, Cast Iron, HRC 50 Deg AlTiN Coating, CNC Router Bits (5pcs)

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**Shop now:** [https://www.desertcart.es/products/184009409-speed-tiger-micrograin-carbide-square-end-mill-4-flute-ise5](https://www.desertcart.es/products/184009409-speed-tiger-micrograin-carbide-square-end-mill-4-flute-ise5)

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-02-12*