Please log in here to access all benefits, including multibuy discounts and faster checkouts.
Widin Carbide Corner Radius End Mill - 4 Flute Stub Cut Length - 4mm x 20mm x R0.5
SKU:ESR7040400520
Widin's Carbide Corner Radius End Mill is a precision cutting tool designed for engineers and machinists who need reliable performance on hard-to-machine materials. This 4-flute stub-cut end mill...
Read more ↓
Material Compatibility
P
H
Specification
View all specifications ↓
Download Cutting Data
| Cutter Diameter | 4 |
| Number of Flutes | 4 |
| Flute Length | 6 |
| Overall Length | 60 |
| Shank Diameter | 6 |
| Reach | 20 |
£37.83
Prices shown ex. VAT
5 days estimated lead time
— subject to availability
View Other Sizes →
Free delivery over £50 ex VAT
Secure checkout
14-day returns
30+ years expertise
Pay in 3 interest-free instalments. No extra cost if paid on time. 18+ only.
Learn more about Klarna
Learn more about Klarna
Widin's Carbide Corner Radius End Mill is a precision cutting tool designed for engineers and machinists who need reliable performance on hard-to-machine materials. This 4-flute stub-cut end mill delivers clean corners and controlled radii with a robust, rigid build built to endure demanding milling operations.
- Diameter: 4 mm
- Cutting Length: 20 mm
- Flute Count: 4-flute design for efficient chip evacuation and smoother finishes
- Cutting Style: Stub-cut length for enhanced rigidity and reduced deflection
- Corner Radius: R0.5 (0.5 mm) for precise corner radii and smoother transitions
- Material: Solid carbide for superior hardness, wear resistance, and long tool life
- Geometry: Optimized flute geometry tuned for high-hardness workpieces and clean edge creation
This end mill is built to deliver consistent radii and sharp corners, making it ideal for pockets, slots, and profiles that demand precision. The combination of carbide construction and a stub-length geometry minimizes vibration and chatter, helping you achieve repeatable tolerances and improved surface finishes across multiple passes. Whether you're profiling hard metals or creating precise radii in complex parts, this tool provides dependable performance and predictable results.
| Cutter Diameter | 4 |
| Number of Flutes | 4 |
| Flute Length | 6 |
| Overall Length | 60 |
| Shank Diameter | 6 |
| Reach | 20 |
| Corner Radius | 0.5 |
| Neck Diameter | 3.8 |
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.
★★★★★
Nice experience staff are very helpful and interested...
Staff are very helpful and interested in providing a good service making us the customer feel valued.
★★★★★
first place we look
honest about stock and prices are competitive.
★★★★★
Polite and helpful
Staff are very helpful and polite.Goods that were in stock were dispatched same day and back orders were quick in coming through .
★★★★★
Buying experience
Phone requests are handled quickly and without any fuss. The website is easy to use and straightforward to order from. It’s especially helpful that it shows real‑time availability, so we don’t need to call to confirm whether parts will arrive.
Full Range: Widin Carbide Corner Radius End Mill - 4 Flute Stub Cut Length (ZR704)
View full collection →You are viewing ESR7040400520. Click any other SKU to view its full details.
| Product SKU | Cutter Diameter | Number of Flutes | Flute Length | Overall Length | Shank Diameter | Reach | Corner Radius | Neck Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ESR7040100306S4 | 1 | 4 | 2 | 50 | 4 | 6 | 0.3 | 0.95 | £34.81 | 5 days | |
| ESR7040100303S4 | 1 | 4 | 2 | 50 | 4 | 3 | 0.3 | 0.95 | £34.81 | 5 days | |
| ESR7040100104S4 | 1 | 4 | 2 | 50 | 4 | 4 | 0.1 | 0.95 | £34.81 | 5 days | |
| ESR7040150106S4 | 1.5 | 4 | 2.5 | 50 | 4 | 6 | 0.1 | 1.45 | £34.81 | 5 days | |
| ESR7040100106S4 | 1 | 4 | 2 | 50 | 4 | 6 | 0.1 | 0.95 | £34.81 | 5 days | |
| ESR7040150204S4 | 1.5 | 4 | 2.5 | 50 | 4 | 4 | 0.2 | 1.45 | £34.81 | 5 days | |
| ESR7040100206S4 | 1 | 4 | 2 | 50 | 4 | 6 | 0.2 | 0.95 | £34.81 | 5 days | |
| ESR7040150206S4 | 1.5 | 4 | 2.5 | 50 | 4 | 6 | 0.2 | 1.45 | £34.81 | 5 days | |
| ESR7040100103S4 | 1 | 4 | 2 | 50 | 4 | 3 | 0.1 | 0.95 | £34.81 | 5 days | |
| ESR7040100304S4 | 1 | 4 | 2 | 50 | 4 | 4 | 0.3 | 0.95 | £34.81 | 5 days | |
| ESR7040100204S4 | 1 | 4 | 2 | 50 | 4 | 4 | 0.2 | 0.95 | £34.81 | 5 days | |
| ESR7040100203S4 | 1 | 4 | 2 | 50 | 4 | 3 | 0.2 | 0.95 | £34.81 | 5 days | |
| ESR7040150304S4 | 1.5 | 4 | 2.5 | 50 | 4 | 4 | 0.3 | 1.45 | £34.81 | 5 days | |
| ESR7040150306S4 | 1.5 | 4 | 2.5 | 50 | 4 | 6 | 0.3 | 1.45 | £34.81 | 5 days | |
| ESR7040200106S4 | 2 | 4 | 3 | 50 | 4 | 6 | 0.1 | 1.9 | £34.81 | 5 days | |
| ESR7040200108S4 | 2 | 4 | 3 | 50 | 4 | 8 | 0.1 | 1.9 | £34.81 | 5 days | |
| ESR7040200208S4 | 2 | 4 | 3 | 50 | 4 | 8 | 0.2 | 1.9 | £34.81 | 5 days | |
| ESR7040150104S4 | 1.5 | 4 | 2.5 | 50 | 4 | 4 | 0.1 | 1.45 | £34.81 | 5 days | |
| ESR7040200208 | 2 | 4 | 3 | 50 | 6 | 8 | 0.2 | 1.9 | £37.83 | 5 days | |
| ESR7040250106S4 | 2.5 | 4 | 3.5 | 50 | 4 | 6 | 0.1 | 2.4 | £34.81 | 5 days | |
| ESR7040200210 | 2 | 4 | 3 | 50 | 6 | 10 | 0.2 | 1.9 | £37.83 | 5 days | |
| ESR7040200506S4 | 2 | 4 | 3 | 50 | 4 | 6 | 0.5 | 1.9 | £34.81 | 5 days | |
| ESR7040200212 | 2 | 4 | 3 | 50 | 6 | 12 | 0.2 | 1.9 | £40.37 | 5 days | |
| ESR7040200206S4 | 2 | 4 | 3 | 50 | 4 | 6 | 0.2 | 1.9 | £34.81 | 5 days | |
| ESR7040200508S4 | 2 | 4 | 3 | 50 | 4 | 8 | 0.5 | 1.9 | £34.81 | 5 days | |
| ESR7040200306S4 | 2 | 4 | 3 | 50 | 4 | 6 | 0.3 | 1.9 | £34.81 | 5 days | |
| ESR7040300110 | 3 | 4 | 4 | 55 | 6 | 10 | 0.1 | 2.9 | £37.83 | 5 days | |
| ESR7040300210 | 3 | 4 | 4 | 55 | 6 | 10 | 0.2 | 2.9 | £37.83 | 5 days | |
| ESR7040200308S4 | 2 | 4 | 3 | 50 | 4 | 8 | 0.3 | 1.9 | £34.81 | 5 days | |
| ESR7040300112 | 3 | 4 | 4 | 55 | 6 | 12 | 0.1 | 2.9 | £37.83 | 5 days | |
| ESR7040300116 | 3 | 4 | 4 | 55 | 6 | 16 | 0.1 | 2.9 | £37.83 | 5 days | |
| ESR7040300120 | 3 | 4 | 4 | 60 | 6 | 20 | 0.1 | 2.9 | £37.83 | 5 days | |
| ESR7040300208 | 3 | 4 | 4 | 55 | 6 | 8 | 0.2 | 2.9 | £37.83 | 5 days | |
| ESR7040300216 | 3 | 4 | 4 | 55 | 6 | 16 | 0.2 | 2.9 | £37.83 | 5 days | |
| ESR7040300108 | 3 | 4 | 4 | 55 | 6 | 8 | 0.1 | 2.9 | £37.83 | 5 days | |
| ESR7040300212 | 3 | 4 | 4 | 55 | 6 | 12 | 0.2 | 2.9 | £37.83 | 5 days | |
| ESR7040300220 | 3 | 4 | 4 | 60 | 6 | 20 | 0.2 | 2.9 | £37.83 | 5 days | |
| ESR7040300309 | 3 | 4 | 4 | 55 | 6 | 9 | 0.3 | 2.9 | £37.83 | 5 days | |
| ESR7040300312 | 3 | 4 | 4 | 55 | 6 | 12 | 0.3 | 2.9 | £37.83 | 5 days | |
| ESR7040300310 | 3 | 4 | 4 | 55 | 6 | 10 | 0.3 | 2.9 | £37.83 | 5 days | |
| ESR7040300316 | 3 | 4 | 4 | 55 | 6 | 16 | 0.3 | 2.9 | £37.83 | 5 days | |
| ESR7040300508 | 3 | 4 | 4 | 55 | 6 | 8 | 0.5 | 2.9 | £37.83 | 5 days | |
| ESR7040300320 | 3 | 4 | 4 | 60 | 6 | 20 | 0.3 | 2.9 | £37.83 | 5 days | |
| ESR7040300509 | 3 | 4 | 4 | 55 | 6 | 9 | 0.5 | 2.9 | £37.83 | 5 days | |
| ESR7040300512 | 3 | 4 | 4 | 55 | 6 | 12 | 0.5 | 2.9 | £37.83 | 5 days | |
| ESR7040300510 | 3 | 4 | 4 | 55 | 6 | 10 | 0.5 | 2.9 | £37.83 | 5 days | |
| ESR7040300520 | 3 | 4 | 4 | 60 | 6 | 20 | 0.5 | 2.9 | £37.83 | 5 days | |
| ESR7040301008 | 3 | 4 | 4 | 55 | 6 | 8 | 1 | 2.9 | £37.83 | 5 days | |
| ESR7040300516 | 3 | 4 | 4 | 55 | 6 | 16 | 0.5 | 2.9 | £37.83 | 5 days | |
| ESR7040300308 | 3 | 4 | 4 | 55 | 6 | 8 | 0.3 | 2.9 | £37.83 | 5 days | |
| ESR7040301010 | 3 | 4 | 4 | 55 | 6 | 10 | 1 | 2.9 | £37.83 | 5 days | |
| ESR7040301012 | 3 | 4 | 4 | 55 | 6 | 12 | 1 | 2.9 | £37.83 | 5 days | |
| ESR7040301016 | 3 | 4 | 4 | 55 | 6 | 16 | 1 | 2.9 | £37.83 | 5 days | |
| ESR7040400112 | 4 | 4 | 6 | 55 | 6 | 12 | 0.1 | 3.8 | £37.83 | 5 days | |
| ESR7040301020 | 3 | 4 | 4 | 60 | 6 | 20 | 1 | 2.9 | £37.83 | 5 days | |
| ESR7040400110 | 4 | 4 | 6 | 55 | 6 | 10 | 0.1 | 3.8 | £37.83 | 5 days | |
| ESR7040400116 | 4 | 4 | 6 | 55 | 6 | 16 | 0.1 | 3.8 | £37.83 | 5 days | |
| ESR7040400125 | 4 | 4 | 6 | 60 | 6 | 25 | 0.1 | 3.8 | £37.83 | 5 days | |
| ESR7040400120 | 4 | 4 | 6 | 60 | 6 | 20 | 0.1 | 3.8 | £37.83 | 5 days | |
| ESR7040400220 | 4 | 4 | 6 | 60 | 6 | 20 | 0.2 | 3.8 | £37.83 | 5 days | |
| ESR7040400225 | 4 | 4 | 6 | 60 | 6 | 25 | 0.2 | 3.8 | £37.83 | 5 days | |
| ESR7040400210 | 4 | 4 | 6 | 55 | 6 | 10 | 0.2 | 3.8 | £37.83 | 5 days | |
| ESR7040400216 | 4 | 4 | 6 | 55 | 6 | 16 | 0.2 | 3.8 | £37.83 | 5 days | |
| ESR7040400310 | 4 | 4 | 6 | 55 | 6 | 10 | 0.3 | 3.8 | £37.83 | 5 days | |
| ESR7040400312 | 4 | 4 | 6 | 55 | 6 | 12 | 0.3 | 3.8 | £37.83 | 5 days | |
| ESR7040400212 | 4 | 4 | 6 | 55 | 6 | 12 | 0.2 | 3.8 | £37.83 | 5 days | |
| ESR7040400316 | 4 | 4 | 6 | 55 | 6 | 16 | 0.3 | 3.8 | £37.83 | 5 days | |
| ESR7040400325 | 4 | 4 | 6 | 60 | 6 | 25 | 0.3 | 3.8 | £37.83 | 5 days | |
| ESR7040400510 | 4 | 4 | 6 | 55 | 6 | 10 | 0.5 | 3.8 | £15.14 | In Stock | |
| ESR7040400512 | 4 | 4 | 6 | 55 | 6 | 12 | 0.5 | 3.8 | £37.83 | 5 days | |
| ESR7040400520 Viewing | 4 | 4 | 6 | 60 | 6 | 20 | 0.5 | 3.8 | £37.83 | 5 days | |
| ESR7040400516 | 4 | 4 | 6 | 55 | 6 | 16 | 0.5 | 3.8 | £37.83 | 5 days | |
| ESR7040400525 | 4 | 4 | 6 | 60 | 6 | 25 | 0.5 | 3.8 | £37.83 | 5 days | |
| ESR7040600220 | 6 | 4 | 9 | 60 | 6 | 20 | 0.2 | 5.8 | £37.83 | 5 days | |
| ESR7040400320 | 4 | 4 | 6 | 60 | 6 | 20 | 0.3 | 3.8 | £37.83 | 5 days | |
| ESR7040401025 | 4 | 4 | 6 | 60 | 6 | 25 | 1 | 3.8 | £37.83 | 5 days | |
| ESR7040401012 | 4 | 4 | 6 | 55 | 6 | 12 | 1 | 3.8 | £37.83 | 5 days | |
| ESR7040401010 | 4 | 4 | 6 | 55 | 6 | 10 | 1 | 3.8 | £37.83 | 5 days | |
| ESR7040401016 | 4 | 4 | 6 | 55 | 6 | 16 | 1 | 3.8 | £37.83 | 5 days | |
| ESR7040401020 | 4 | 4 | 6 | 60 | 6 | 20 | 1 | 3.8 | £37.83 | 5 days | |
| ESR7040601020 | 6 | 4 | 9 | 60 | 6 | 20 | 1 | 5.8 | £15.14 | In Stock | |
| ESR7040800325 | 8 | 4 | 12 | 60 | 8 | 25 | 0.3 | 7.8 | £46.44 | 5 days | |
| ESR7040600520 | 6 | 4 | 9 | 60 | 6 | 20 | 0.5 | 5.8 | £37.83 | 5 days | |
| ESR7040600320 | 6 | 4 | 9 | 60 | 6 | 20 | 0.3 | 5.8 | £37.83 | 5 days | |
| ESR7040601520 | 6 | 4 | 9 | 60 | 6 | 20 | 1.5 | 5.8 | £37.83 | 5 days | |
| ESR7040602020 | 6 | 4 | 9 | 60 | 6 | 20 | 2 | 5.8 | £37.83 | 5 days | |
| ESR7040800225 | 8 | 4 | 12 | 60 | 8 | 25 | 0.2 | 7.8 | £46.44 | 5 days | |
| ESR7040800525 | 8 | 4 | 12 | 60 | 8 | 25 | 0.5 | 7.8 | £46.44 | 5 days | |
| ESR7040801525 | 8 | 4 | 12 | 60 | 8 | 25 | 1.5 | 7.8 | £46.44 | 5 days | |
| ESR7040801025 | 8 | 4 | 12 | 60 | 8 | 25 | 1 | 7.8 | £46.44 | 5 days | |
| ESR7041001032 | 10 | 4 | 15 | 70 | 10 | 32 | 1 | 9.7 | £64.31 | 5 days | |
| ESR7041000532 | 10 | 4 | 15 | 70 | 10 | 32 | 0.5 | 9.7 | £64.31 | 5 days | |
| ESR7040802025 | 8 | 4 | 12 | 60 | 8 | 25 | 2 | 7.8 | £46.44 | 5 days | |
| ESR7041001532 | 10 | 4 | 15 | 70 | 10 | 32 | 1.5 | 9.7 | £64.31 | 5 days | |
| ESR7041201038 | 12 | 4 | 18 | 80 | 12 | 38 | 1 | 11.7 | £91.60 | 5 days | |
| ESR7041200538 | 12 | 4 | 18 | 80 | 12 | 38 | 0.5 | 11.7 | £91.60 | 5 days | |
| ESR7041000232 | 10 | 4 | 15 | 70 | 10 | 32 | 0.2 | 9.7 | £64.31 | 5 days | |
| ESR7041002032 | 10 | 4 | 15 | 70 | 10 | 32 | 2 | 9.7 | £64.31 | 5 days | |
| ESR7041200338 | 12 | 4 | 18 | 80 | 12 | 38 | 0.3 | 11.7 | £36.64 | In Stock | |
| ESR7041000332 | 10 | 4 | 15 | 70 | 10 | 32 | 0.3 | 9.7 | £64.31 | 5 days | |
| ESR7041202038 | 12 | 4 | 18 | 80 | 12 | 38 | 2 | 11.7 | £91.60 | 5 days | |
| ESR7041201538 | 12 | 4 | 18 | 80 | 12 | 38 | 1.5 | 11.7 | £36.64 | In Stock |
No products match your filters.
