Please log in here to access all benefits, including promotional discounts and faster checkouts.

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

SKU:PRO1500028

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 en... Read more ↓
P
M
K
Cutter Diameter20
Number of Flutes4
Flute Length45
Overall Length100
View all specifications ↓
Download Cutting Data
£155.85
Prices shown ex. VAT
In Stock— only 7 left
View Other Sizes →
Free delivery over £50 ex VAT
Secure checkout
14-day returns
30+ years expertise
Klarna
Pay in 3 interest-free instalments. No extra cost if paid on time. 18+ only.
Learn more about Klarna
Speak to our team
01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Description

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.

Part Numbers

Protool Part Number
PRO1500028
Brand
Vortex
Category
End Mill
Delivery

Free UK mainland delivery on orders over £50 ex VAT. In-stock items ordered before 4:30pm are dispatched the same working day. Full delivery information.

Returns

14-day returns on unused stock items in original packaging. Special-order and bespoke tooling is non-returnable. Read our returns policy.

Technical Support

Over 30 years of machining experience behind the counter. Call 01732 887334, Mon–Thurs 8:30–17:30, Fri 8:30–16:30.

Trade Accounts

Credit accounts, contract pricing and scheduled call-off orders available for trade customers. Apply for an account.

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.

Ask our technical team about this tool

Not sure if this is the right tool for your job? Ask us about speeds and feeds, material suitability, holders or alternatives — 30+ years of machining experience on the other end.

Prefer to talk? Call 01732 887334 — Mon–Thurs 8:30–17:30, Fri 8:30–16:30.

Full Range: Vortex Carbide End Mills - 4 Flute Square Edge - TiSiN Coated - Standard Flute Length

View full collection →

You are viewing PRO1500028. Click any other SKU to view its full details.

Product SKUCutter DiameterNumber of FlutesFlute LengthOverall LengthShank DiameterPriceStock Order
PRO1500001 143504£3.63 In Stock
PRO1500002 1.544504£3.63 In Stock
PRO1500003 246504£3.63 In Stock
PRO1500004 2.548504£3.63 In Stock
PRO1500005 348503£3.63 In Stock
PRO1500006 348504£3.63 In Stock
PRO1500007 3.548504£3.63 In Stock
PRO1500008 4410504£3.63 In Stock
PRO1500009 5413505£7.96 In Stock
PRO1500010 5413506£7.96 In Stock
PRO1500011 6415506£7.96 In Stock
PRO1500012 8420608£16.44 In Stock
PRO1500018 104257510£31.85 In Stock
PRO1500019 124307512£45.87 In Stock
PRO1500027 1644510016£100.46 In Stock
PRO1500028 Viewing2044510020£155.85 In Stock
PRO1500016 6420756£12.63 In Stock
PRO1500029 64251506£25.79 In Stock
PRO1500025 1044010010£45.00 In Stock
PRO1500034 2045515020£228.15 In Stock
PRO1500013 3412753£6.75 In Stock
PRO1500033 1645015016£146.92 In Stock
PRO1500015 5420755£12.63 In Stock
PRO1500024 84351008£28.73 In Stock
PRO1500017 8425758£21.98 In Stock
PRO1500030 84351508£43.62 In Stock
PRO1500021 44161004£8.31 In Stock
PRO1500022 54201005£16.62 In Stock
PRO1500014 4415754£6.75 In Stock
PRO1500026 1244510012£63.87 In Stock
PRO1500020 34121003£8.31 4-6 weeks
PRO1500023 64251006£16.62 In Stock
PRO1500031 1044515010£67.15 In Stock
PRO1500032 1244515012£95.71 In Stock

Other sizes in this range

with tools we think you'll like
All 34 →