---
product_id: 178518461
title: "5PCS Ball Nose End Mill Cutter CNC Router Bits Double Flute HRC55 Spiral Milling Tool 1/4 Inch Shank 2-1/2 Inch Length OVL"
brand: "spetool"
price: "A$133"
currency: AUD
in_stock: true
reviews_count: 13
category: "Spe Tool"
url: https://www.desertcart.com.au/products/178518461-5pcs-ball-nose-end-mill-cutter-cnc-router-bits-double
store_origin: AU
region: Australia
---

# 1/4 inch Shank & 1/8 inch Cutting Radius 2-Flute Double Spiral for Smooth Milling HRC55 Carbide with TiAlN Coating 5PCS Ball Nose End Mill Cutter CNC Router Bits Double Flute HRC55 Spiral Milling Tool 1/4 Inch Shank 2-1/2 Inch Length OVL

**Brand:** spetool
**Price:** A$133
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate Your CNC Game with SpeTool Precision!

## Quick Answers

- **What is this?** 5PCS Ball Nose End Mill Cutter CNC Router Bits Double Flute HRC55 Spiral Milling Tool 1/4 Inch Shank 2-1/2 Inch Length OVL by spetool
- **How much does it cost?** A$133 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/178518461-5pcs-ball-nose-end-mill-cutter-cnc-router-bits-double)

## Best For

- spetool enthusiasts

## Why This Product

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

## Key Features

- • **Perfect Dimensions:** 1/8" cutting radius and 3/4" cutting length for detailed, high-precision contouring and engraving.
- • **Multi-Material Mastery:** Effortlessly mills carbon steel, stainless steel, titanium alloys, Inconel, and mold steel—expand your project horizons.
- • **Precision Carbide Power:** Engineered with HRC55 solid carbide and TiAlN coating for unmatched durability and heat resistance.
- • **Versatile Compatibility:** Fits all 1/4" collet CNC routers including Makita, Bosch, and more—your go-to milling companion.
- • **Optimized Cutting Geometry:** Double flute spiral design ensures smooth side milling, end milling, and finish machining with minimal chatter.

## Overview

The SpeTool 5PCS Ball Nose End Mill Cutter set features solid HRC55 carbide construction with TiAlN coating, designed for CNC routers with a 1/4" shank. Its 2-flute double spiral geometry and precise 1/8" cutting radius deliver smooth, high-precision milling across a wide range of metals including stainless steel and titanium alloys. Compatible with major router brands, this set is ideal for professionals seeking durable, versatile, and efficient milling tools.

## Description

Solid Carbide Ball Nose Router Bit with 1/4 inch Shank and 1/8 inch Cutting Radius, 3/4 inch Cutting Length, 2-1/2 inch for Total Length;Round Top with 2-Flute, Material: HRC55 Carbide with TiAlN Coated; For CNC, Engraving Machine.Carbon Steel, Mould Steel, Inconel, Stainless Steel, Titanium Alloy etc; The Route Bit Suit for CNC Router and Makita, Bosch, and Any Brand Plunge Router with 1/4" Collet; End Mill Bits are Suitable for Side Milling, End Milling, Finish Machining, etc.

Review: Great product - Reliable service, good quality, very cost effective.
Review: My go-to for CNC - Works well. Durable. Good finish.

## Features

- 5PCS Solid Carbide Ball Nose Router Bit with 1/4 inch Shank and 1/8 inch Cutting Radius, 3/4 inch Cutting Length, 2-1/2 inch for Total Length
- The End Mill Round Top with 2-Flute, Material: HRC55 Carbide with TiAlN Coated
- For CNC,Engraving Machine.Carbon Steel, Mould Steel, Inconel, Stainless Steel, Titanium Alloy etc
- The Ball Nose End Mill Suit for CNC Machine, Router and Makita, Bosch, and Any Brand Plunge Router with 1/4" Collet
- End Mill Bits are Suitable for Side Milling, End Milling, Finish Machining, etc.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B083BTGJWC |
| Best Sellers Rank | #144,733 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #37 in Ball Nose End Mills |
| Brand | SpeTool |
| Corner Radius | 0.25 Inches |
| Cut Type | Rounded |
| Cutting Diameter | 0.25 Inches |
| Cutting Length | 0.75 Inches |
| Date First Available | March 30, 2019 |
| End Cut Type | Ball End |
| Finish Type | TiAlN |
| Helix Angle | 2 Degrees |
| Item Weight | 5.3 ounces |
| Item model number | P2B-R1/8 |
| Manufacturer | SpeTool |
| Material | Carbide |
| Number of Cutting Edges | 2 |
| Number of Flutes | 2 |
| Product Dimensions | 2.5"L x 0.25"W |
| Shape | Round |
| Size | 1/4" Dia -3/4" CL - 1/4" Shank |
| Tolerance Held | standard |

## Product Details

- **Cutting Diameter:** 0.25 Inches
- **Cutting Length:** 0.75 Inches
- **Finish Type:** TiAlN
- **Material:** Carbide
- **Number of Flutes:** 2

## Images

![5PCS Ball Nose End Mill Cutter CNC Router Bits Double Flute HRC55 Spiral Milling Tool 1/4 Inch Shank 2-1/2 Inch Length OVL - Image 1](https://m.media-amazon.com/images/I/71b5eO5SZqL.jpg)

## Questions & Answers

**Q: where made in china?**
A: Not sure where it’s made but it shipped from 
Hangzhou
Zhejiang

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product
*by R***R on July 26, 2024*

Reliable service, good quality, very cost effective.

### ⭐⭐⭐⭐⭐ My go-to for CNC
*by D***E on January 2, 2026*

Works well. Durable. Good finish.

### ⭐⭐⭐⭐⭐ Great ball mill
*by P***N on June 15, 2022*

At about 8$ these are excellent ball mills.

## Frequently Bought Together

- SpeTool 5PCS Ball Nose End Mill Cutter CNC Router Bits Double Flute HRC55 Spiral Milling Tool 1/4 Inch Shank 2-1/2 Inch Length OVL
- SpeTool 5Pcs Ball Nose Router Bits 1/8" Cutting Diameter Milling Tool HRC55, 1/8" Shank Up Cut Spiral CNC Tool
- 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

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**Shop now:** [https://www.desertcart.com.au/products/178518461-5pcs-ball-nose-end-mill-cutter-cnc-router-bits-double](https://www.desertcart.com.au/products/178518461-5pcs-ball-nose-end-mill-cutter-cnc-router-bits-double)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-07*