Vortex Carbide End Mill - 4 Flute Square Edge - TiSiN Coated - 20mm x 100mm

The Vortex Carbide End Mill is a precision cutting tool built for machinists, engineers, and job shops working with demanding metals that require clean, accurate results. This 20mm solid carbide end mill with a 100mm reach delivers consistent performance across steel, stainless steel, cast iron, and high-performance alloys—whether you're roughing heavy material or finishing tight pockets. The 4-flute square-edge design combined with a TiSiN coating makes it equally effective for multi-pass operations where tool life and surface quality matter. It's engineered for CNC milling setups where reliability and repeatable results are essential, yet capable enough to handle manual mills when rigidity allows. 

What sets this end mill apart is the balance between aggressive material removal and edge integrity. The square profile delivers crisp 90-degree corners and clean profiles without edge rounding, while the carbide construction maintains its geometry under the heat and pressure of demanding cuts. If you machine anything from automotive components to industrial fabrication, this is the kind of tool that reduces downtime between passes and delivers results you can count on.

• Superior Finish Quality & Reduced Tool Wear: The TiSiN coating dramatically lowers friction and heat buildup during cutting, enabling extended tool life across long production runs while maintaining edge sharpness. Tools coated with TiSiN last significantly longer than uncoated tools and enable machining at higher cutting speeds, improving productivity without compromising performance.
• 4-Flute Stability & Precision Edges: The 4-flute configuration offers increased stability and improved surface finish in many applications. The square-edge geometry holds true 90-degree corners for slots, pockets, and shoulders, while the larger core provides rigidity that minimizes deflection and chatter, delivering tighter tolerances and cleaner cuts on tough alloys.
• Versatile Performance on Steel & Hard Materials: 4-flute end mills are designed for harder materials such as steel, providing increased tool strength, smoother finishes, and higher feed rates than 2-flute end mills, and are more suitable for slotting applications on steel, stainless steel, high temperature alloys, and iron. The solid carbide construction ensures reliable performance whether you're tackling hardened steels or demanding aerospace alloys.

When tool life directly impacts your bottom line and surface finish determines whether parts pass inspection, this end mill proves its value. The combination of rigid carbide, proven TiSiN coating technology, and 4-flute geometry creates a tool that works harder and lasts longer, reducing the number of tool changes during production while maintaining consistent cut quality from the first pass to the last. For shops committed to precision work and manufacturing efficiency, this is the reliable choice.

What time are Protool open?

We are open Monday to Friday between 8:30am and 5pm.

Do you offer Free Next Day delivery?

Yes! We offer Free Next Day delivery via Royal Mail Tracked 24 on all orders over £50 ex VAT*. We also offer Free DPD Local Next Day delivery on all orders over £100 ex VAT*.

We also offer the following:

• Royal Mail Tracked 24 — £5.90 (FREE on orders over £50 ex VAT*). Order before 4:30pm for next day delivery. No signature required.
• DPD Local Next Day — £8.00 (FREE on orders over £100 ex VAT*). Standard next day delivery to UK mainland addresses.
• Royal Mail Special Delivery — £12.50. Guaranteed delivery before 1pm the next working day.
• DPD Saturday Delivery — £25.00. Must be ordered on Friday before 4pm. Pre-12pm delivery.

For delivery to Scottish Highlands & Islands, Northern Ireland, Republic of Ireland, or overseas locations, additional charges apply. Please see our delivery page for full details, or call us on 01732 887 334.

*T's & C's and exclusions apply. Please see our delivery page for more information on all our services.