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Widin Carbide End Mill For Stainless & Exotics - 4 Flute Variable Helix Square Edge - 20mm

SKU:XE504200

Widin Carbide End Mill for Stainless & Exotics is a 20 mm diameter, 4-flute carbide tool designed for demanding stainless steels and exotic alloys. Its variable-helix, square-edge geometry del... Read more ↓
M
S
Cutter Diameter20
Number of Flutes4
Flute Length38
Overall Length100
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£365.90
Prices shown ex. VAT
In Stock— only 7 left
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Free delivery over £50 ex VAT
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14-day returns
30+ years expertise
Klarna
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01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Description

Widin Carbide End Mill for Stainless & Exotics is a 20 mm diameter, 4-flute carbide tool designed for demanding stainless steels and exotic alloys. Its variable-helix, square-edge geometry delivers efficient chip control and a consistently smooth surface finish, making it a reliable choice for professionals and hobbyists alike.

  • Efficient Chip Evacuation: The unequal index flutes (variable helix) optimize chip flow and reduce heat buildup, helping prevent clogging and delivering cleaner cuts and a smoother finish on stainless and other hard-to-cut metals.
  • Durable, Wear-Resistant Edge: Built with a hard carbide cutting edge, it offers excellent wear resistance for long tool life and dependable performance under demanding cuts.
  • Stable, Precise Cutting with Square Edge: 4-flute geometry and square edge deliver accurate pockets and flat bottoms with minimal chatter, supporting precise dimensions and high-quality surface finishes.

This end mill helps you complete jobs faster with fewer passes, fewer tool changes, and more consistent results. Its robust construction and geometry are tuned for reliability in stainless and exotic alloys, giving you confidence to push the workload while achieving clean, repeatable finishes.

Part Numbers

Protool Part Number
XE504200
Brand
Widin
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: Widin Carbide End Mill For Stainless & Exotics - 4 Flute Variable Helix Square Edge (XE504)

View full collection →

You are viewing XE504200. Click any other SKU to view its full details.

Product SKUCutter DiameterNumber of FlutesFlute LengthOverall LengthShank DiameterPriceStock Order
XE504010 142.5454£17.86 In Stock
XE504020 245454£17.86 5 days
XE504030 348506£21.46 5 days
XE504040 4411506£21.46 In Stock
XE504050 5413506£21.46 In Stock
XE504060 6413506£21.46 5 days
XE504070 7416608£32.22 5 days
XE504080 8419608£32.22 In Stock
XE504090 94197010£47.36 5 days
XE504100 104227010£47.36 In Stock
XE504110 114227512£71.68 5 days
XE504120 124267512£71.68 In Stock
XE504130 134268012£82.44 5 days
XE504140 144268014£148.44 5 days
XE504160 164329016£211.84 In Stock
XE504180 1843210018£325.68 5 days
XE504200 Viewing2043810020£365.90 In Stock
XE504250 2544512025£631.72 5 days

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