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Widin Carbide Corner Radius End Mill - 4 Flute Long Shank - 12mm x R0.5
| Cutter Diameter | 12 |
| Number of Flutes | 4 |
| Flute Length | 30 |
| Overall Length | 110 |
| Shank Diameter | 12 |
| Corner Radius | 0.5 |
Learn more about Klarna
The Widin Carbide Corner Radius End Mill is a precision cutting tool for machinists tackling hard materials. Designed for deep groove milling, it combines a 12 mm diameter, a 0.5 mm corner radius, and a long shank for extended reach and dependable performance.

- Diameter and corner radius: 12 mm diameter with a 0.5 mm corner radius for precise radii and smooth edge engagement
- Flute count: 4-flute design to improve chip evacuation and provide a stable finish on hard materials
- Long shank: Extended shank enables access to deep grooves and tight pockets with reduced tool interference
- Material and construction: Solid carbide composition delivers rigidity, wear resistance, and long tool life even when cutting tough workpieces
- Application focus: Optimized for deep groove milling and high-hardness machining, offering steady cuts and reliable performance
With its combination of a high-strength corner-radius geometry and a long reach, this end mill helps you achieve consistent radii, smoother surfaces, and longer tool life in demanding milling tasks. It’s ideal for production environments where precise deep groove features and reliable performance matter, from stainless steels to other hard alloys. Use it to reduce chatter, improve surface finish, and complete complex milling jobs with confidence.
| Cutter Diameter | 12 |
| Number of Flutes | 4 |
| Flute Length | 30 |
| Overall Length | 110 |
| Shank Diameter | 12 |
| Corner Radius | 0.5 |
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.
Full Range: Widin Carbide Corner Radius End Mill - 4 Flute Long Shank (ZR734)
View full collection →You are viewing ESR73412005. Click any other SKU to view its full details.
| Product SKU | Cutter Diameter | Number of Flutes | Flute Length | Overall Length | Shank Diameter | Corner Radius | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| ESR73401001 | 1 | 4 | 2 | 50 | 6 | 0.1 | £38.64 | 5 days | |
| ESR73401002 | 1 | 4 | 2 | 50 | 6 | 0.2 | £38.64 | 5 days | |
| ESR73401003 | 1 | 4 | 2 | 50 | 6 | 0.3 | £38.64 | 5 days | |
| ESR73401501 | 1.5 | 4 | 3 | 50 | 6 | 0.1 | £38.64 | 5 days | |
| ESR73401502 | 1.5 | 4 | 3 | 50 | 6 | 0.2 | £38.64 | 5 days | |
| ESR73401503 | 1.5 | 4 | 3 | 50 | 6 | 0.3 | £38.64 | 5 days | |
| ESR73401505 | 1.5 | 4 | 3 | 50 | 6 | 0.5 | £38.64 | 5 days | |
| ESR73402001 | 2 | 4 | 5 | 50 | 6 | 0.1 | £38.64 | 5 days | |
| ESR73402002 | 2 | 4 | 5 | 50 | 6 | 0.2 | £15.46 | In Stock | |
| ESR73402005 | 2 | 4 | 5 | 50 | 6 | 0.5 | £38.64 | 5 days | |
| ESR73402003 | 2 | 4 | 5 | 50 | 6 | 0.3 | £38.64 | 5 days | |
| ESR73402501 | 2.5 | 4 | 7 | 60 | 6 | 0.1 | £39.78 | 5 days | |
| ESR73402502 | 2.5 | 4 | 7 | 60 | 6 | 0.2 | £39.78 | 5 days | |
| ESR73402503 | 2.5 | 4 | 7 | 60 | 6 | 0.3 | £39.78 | 5 days | |
| ESR73403001 | 3 | 4 | 8 | 60 | 6 | 0.1 | £39.78 | 5 days | |
| ESR73402505 | 2.5 | 4 | 7 | 60 | 6 | 0.5 | £39.78 | 5 days | |
| ESR73403002 | 3 | 4 | 8 | 60 | 6 | 0.2 | £39.78 | 5 days | |
| ESR73403003 | 3 | 4 | 8 | 60 | 6 | 0.3 | £39.78 | 5 days | |
| ESR73403005 | 3 | 4 | 8 | 60 | 6 | 0.5 | £39.78 | 5 days | |
| ESR73404002 | 4 | 4 | 10 | 70 | 6 | 0.2 | £16.37 | 5 days | View |
| ESR73404001 | 4 | 4 | 10 | 70 | 6 | 0.1 | £40.91 | 5 days | |
| ESR73404003 | 4 | 4 | 10 | 70 | 6 | 0.3 | £40.91 | 5 days | |
| ESR73404005 | 4 | 4 | 10 | 70 | 6 | 0.5 | £40.91 | 5 days | |
| ESR73404010 | 4 | 4 | 10 | 70 | 6 | 1 | £40.91 | 5 days | |
| ESR73405001 | 5 | 4 | 13 | 80 | 6 | 0.1 | £46.59 | 5 days | |
| ESR73405002 | 5 | 4 | 13 | 80 | 6 | 0.2 | £46.59 | 5 days | |
| ESR73405003 | 5 | 4 | 13 | 80 | 6 | 0.3 | £46.59 | 5 days | |
| ESR73405005 | 5 | 4 | 13 | 80 | 6 | 0.5 | £46.59 | 5 days | |
| ESR73405010 | 5 | 4 | 13 | 80 | 6 | 1 | £46.59 | 5 days | |
| ESR73406001 | 6 | 4 | 15 | 90 | 6 | 0.1 | £47.73 | 5 days | |
| ESR73406002 | 6 | 4 | 15 | 90 | 6 | 0.2 | £47.73 | 5 days | |
| ESR73406003 | 6 | 4 | 15 | 90 | 6 | 0.3 | £47.73 | 5 days | |
| ESR73406005 | 6 | 4 | 15 | 90 | 6 | 0.5 | £19.10 | In Stock | |
| ESR73406010 | 6 | 4 | 15 | 90 | 6 | 1 | £47.73 | 5 days | |
| ESR73408001 | 8 | 4 | 20 | 100 | 8 | 0.1 | £62.02 | 5 days | |
| ESR73408002 | 8 | 4 | 20 | 100 | 8 | 0.2 | £62.02 | 5 days | |
| ESR73408003 | 8 | 4 | 20 | 100 | 8 | 0.3 | £62.02 | 5 days | |
| ESR73408005 | 8 | 4 | 20 | 100 | 8 | 0.5 | £62.02 | 5 days | |
| ESR73408010 | 8 | 4 | 20 | 100 | 8 | 1 | £62.02 | 5 days | |
| ESR73408020 | 8 | 4 | 20 | 100 | 8 | 2 | £62.02 | 5 days | |
| ESR73410002 | 10 | 4 | 25 | 100 | 10 | 0.2 | £85.01 | 5 days | |
| ESR73410003 | 10 | 4 | 25 | 100 | 10 | 0.3 | £85.01 | 5 days | |
| ESR73410005 | 10 | 4 | 25 | 100 | 10 | 0.5 | £85.01 | 5 days | |
| ESR73410010 | 10 | 4 | 25 | 100 | 10 | 1 | £85.01 | 5 days | |
| ESR73410020 | 10 | 4 | 25 | 100 | 10 | 2 | £85.01 | 5 days | |
| ESR73412002 | 12 | 4 | 30 | 110 | 12 | 0.2 | £120.13 | 5 days | |
| ESR73412003 | 12 | 4 | 30 | 110 | 12 | 0.3 | £120.13 | 5 days | |
| ESR73412005 Viewing | 12 | 4 | 30 | 110 | 12 | 0.5 | £120.13 | 5 days | |
| ESR73412010 | 12 | 4 | 30 | 110 | 12 | 1 | £120.13 | 5 days | |
| ESR73412020 | 12 | 4 | 30 | 110 | 12 | 2 | £120.13 | 5 days |
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