Vortex Carbide End Mill - 4 Flute Square Edge - TiSiN Coated - 3mm x 50mm (4mmShank)

The Vortex Carbide End Mill delivers precision cutting performance for serious metalworking, engineering, and CNC operations. This 3mm carbide tool is purpose-built for operators who need reliable results on demanding materials—from steel and stainless to cast iron and high-performance alloys. With a 50mm reach and 4mm shank, it's engineered for stable guidance in tight setups, reducing deflection and vibration to maintain consistent tolerances run after run. The premium carbide construction combined with TiSiN coating creates a tool that resists heat buildup and edge degradation where other end mills fail, especially when working with metals that generate intense cutting temperatures.

• Smoother Finishes & Tighter Tolerances: The 4-flute square-edge geometry delivers true 90-degree corners and uniform surface quality on every pass, eliminating the unpredictable results that softer tools produce. This makes it ideal for precision pockets, slots, and finishing work where dimensional accuracy matters.
• Extended Tool Life in Heat-Intensive Cutting: TiSiN coating reduces friction and heat buildup during high-speed milling, dramatically lowering the risk of edge wear, built-up edge, and premature tool failure. This means fewer tool changes and lower overall tooling costs during complex milling sequences.
• Stable Performance in Compact Setups: The rigid 4mm shank paired with 3mm diameter creates exceptional stability on smaller CNC machines, tight spindle clearances, and retrofit equipment where larger tooling causes runout and chatter. This geometry keeps the tool true and responsive, even in challenging mounting conditions.

Whether you're running prototype work in a job shop, tackling intricate cavity features in a makespace, or executing production milling sequences, this carbide end mill eliminates the frustration of tool deflection, rough edges, and frequent replacements. The combination of TiSiN protection and 4-flute precision means you get repeatable cuts, superior surface finish, and longer intervals between tool changes—directly improving your throughput and reducing per-part tooling costs. For anyone serious about precision work in harder metals, this tool delivers dependable performance where precision and durability are non-negotiable.

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.