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Widin Carbide Corner Radius End Mill - 2 Flute Long Neck Back Draft Type - 2mm x16mm x R0.5
| Cutter Diameter | 2 |
| Number of Flutes | 2 |
| Flute Length | 1.7 |
| Overall Length | 55 |
| Shank Diameter | 4 |
| Reach | 16 |
Learn more about Klarna
Widin Carbide Corner Radius End Mill is a precision cutting tool designed for engineers and machinists tackling high-hardness materials and intricate pockets. This 2‑flute, long‑neck end mill combines stability, reach, and a precise 0.5 mm corner radius to deliver clean, repeatable cuts.

- Diameter: 2 mm
- Overall Length / Neck: 16 mm overall length with a long neck for better reach in deep pockets and on sloped surfaces
- Flutes: 2-flute design for efficient chip evacuation and strong rigidity
- Corner Radius: R0.5 to produce smooth edges and reduce wear at corners
- Back Draft Design: Long-neck back draft improves stability and minimizes vibration and chatter
- Center Cutting: Yes, enabling plunging cuts and versatile pocketing
- Material & Hardness: Ultra-fine grain carbide capable of machining high-hardness materials up to HRc70
- Helix Angle: 30° for effective chip control and a good surface finish
This end mill is built for reliability in demanding operations, from deep slotting to finishing tight corners. The combination of a long neck, back-draft geometry, and center-cut capability makes it a versatile choice for mold making, aerospace components, automotive parts, and other precision machining tasks where edge quality and dimensional accuracy matter. Use cases include deep grooves, sloped surfaces, and applications requiring consistent tool life when cutting hardened alloys.
| Cutter Diameter | 2 |
| Number of Flutes | 2 |
| Flute Length | 1.7 |
| Overall Length | 55 |
| Shank Diameter | 4 |
| Reach | 16 |
| Corner Radius | 0.5 |
| Neck Diameter | 1.92 |
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 - 2 Flute Long Neck Back Draft Type (ZSLNR)
View full collection →You are viewing ESLNR2020-16-05. 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ESLNR2002-1.5-005 | 0.2 | 2 | 0.15 | 50 | 4 | 1.5 | 0.05 | 0.17 | £28.72 | In Stock | |
| ESLNR2002-0.5-005 | 0.2 | 2 | 0.15 | 50 | 4 | 0.5 | 0.05 | 0.17 | £28.72 | In Stock | |
| ESLNR2002-2-005 | 0.2 | 2 | 0.15 | 50 | 4 | 2 | 0.05 | 0.17 | £29.61 | In Stock | |
| ESLNR2002-1-005 | 0.2 | 2 | 0.15 | 50 | 4 | 1 | 0.05 | 0.17 | £28.72 | In Stock | |
| ESLNR2003-1-005 | 0.3 | 2 | 0.25 | 50 | 4 | 1 | 0.05 | 0.27 | £22.98 | In Stock | |
| ESLNR2003-1.5-005 | 0.3 | 2 | 0.25 | 50 | 4 | 1.5 | 0.05 | 0.27 | £22.98 | In Stock | |
| ESLNR2003-2-005 | 0.3 | 2 | 0.25 | 50 | 4 | 2 | 0.05 | 0.27 | £22.98 | In Stock | |
| ESLNR2003-2.5-005 | 0.3 | 2 | 0.25 | 50 | 4 | 2.5 | 0.05 | 0.27 | £22.98 | In Stock | |
| ESLNR2003-3-005 | 0.3 | 2 | 0.25 | 50 | 4 | 3 | 0.05 | 0.27 | £22.98 | In Stock | |
| ESLNR2004-1-005 | 0.4 | 2 | 0.3 | 50 | 4 | 1 | 0.05 | 0.37 | £17.68 | In Stock | |
| ESLNR2004-1.5-005 | 0.4 | 2 | 0.3 | 50 | 4 | 1.5 | 0.05 | 0.37 | £17.68 | In Stock | |
| ESLNR2004-2-005 | 0.4 | 2 | 0.3 | 50 | 4 | 2 | 0.05 | 0.37 | £17.68 | In Stock | |
| ESLNR2004-2-01 | 0.4 | 2 | 0.3 | 50 | 4 | 2 | 0.1 | 0.37 | £17.68 | In Stock | |
| ESLNR2004-2.5-005 | 0.4 | 2 | 0.3 | 50 | 4 | 2.5 | 0.05 | 0.37 | £17.68 | In Stock | |
| ESLNR2004-3-005 | 0.4 | 2 | 0.3 | 50 | 4 | 3 | 0.05 | 0.37 | £44.19 | 5 days | |
| ESLNR2004-3-01 | 0.4 | 2 | 0.3 | 50 | 4 | 3 | 0.1 | 0.37 | £44.19 | 5 days | |
| ESLNR2004-3.5-005 | 0.4 | 2 | 0.3 | 50 | 4 | 3.5 | 0.05 | 0.37 | £17.68 | In Stock | |
| ESLNR2004-4-005 | 0.4 | 2 | 0.3 | 50 | 4 | 4 | 0.05 | 0.37 | £17.68 | In Stock | |
| ESLNR2004-4-01 | 0.4 | 2 | 0.3 | 50 | 4 | 4 | 0.1 | 0.37 | £17.68 | In Stock | |
| ESLNR2005-1-01 | 0.5 | 2 | 0.35 | 50 | 4 | 1 | 0.1 | 0.47 | £15.47 | In Stock | |
| ESLNR2005-2-005 | 0.5 | 2 | 0.35 | 50 | 4 | 2 | 0.05 | 0.47 | £15.47 | In Stock | |
| ESLNR2005-2-01 | 0.5 | 2 | 0.35 | 50 | 4 | 2 | 0.1 | 0.47 | £15.47 | In Stock | |
| ESLNR2005-3-005 | 0.5 | 2 | 0.35 | 50 | 4 | 3 | 0.05 | 0.47 | £15.47 | In Stock | |
| ESLNR2005-3-01 | 0.5 | 2 | 0.35 | 50 | 4 | 3 | 0.1 | 0.47 | £15.47 | In Stock | |
| ESLNR2005-4-005 | 0.5 | 2 | 0.35 | 50 | 4 | 4 | 0.05 | 0.47 | £15.47 | In Stock | |
| ESLNR2005-4-01 | 0.5 | 2 | 0.35 | 50 | 4 | 4 | 0.1 | 0.47 | £15.47 | In Stock | |
| ESLNR2005-5-005 | 0.5 | 2 | 0.35 | 50 | 4 | 5 | 0.05 | 0.47 | £16.80 | In Stock | |
| ESLNR2005-5-01 | 0.5 | 2 | 0.35 | 50 | 4 | 5 | 0.1 | 0.47 | £16.80 | In Stock | |
| ESLNR2005-6-01 | 0.5 | 2 | 0.35 | 50 | 4 | 6 | 0.1 | 0.47 | £16.80 | In Stock | |
| ESLNR2006-2-01 | 0.6 | 2 | 0.4 | 50 | 4 | 2 | 0.1 | 0.57 | £15.47 | In Stock | |
| ESLNR2006-4-01 | 0.6 | 2 | 0.4 | 50 | 4 | 4 | 0.1 | 0.57 | £15.47 | In Stock | |
| ESLNR2005-6-005 | 0.5 | 2 | 0.35 | 50 | 4 | 6 | 0.05 | 0.47 | £16.80 | In Stock | |
| ESLNR2006-6-01 | 0.6 | 2 | 0.4 | 50 | 4 | 6 | 0.1 | 0.57 | £15.47 | In Stock | |
| ESLNR2006-8-01 | 0.6 | 2 | 0.4 | 50 | 4 | 8 | 0.1 | 0.57 | £16.80 | In Stock | |
| ESLNR2006-10-01 | 0.6 | 2 | 0.4 | 50 | 4 | 10 | 0.1 | 0.57 | £16.80 | In Stock | |
| ESLNR2008-4-01 | 0.8 | 2 | 0.5 | 50 | 4 | 4 | 0.1 | 0.77 | £14.59 | In Stock | |
| ESLNR2008-4-02 | 0.8 | 2 | 0.5 | 60 | 4 | 4 | 0.2 | 0.77 | £36.46 | 5 days | |
| ESLNR2008-6-01 | 0.8 | 2 | 0.5 | 50 | 4 | 6 | 0.1 | 0.77 | £14.59 | In Stock | |
| ESLNR2008-6-02 | 0.8 | 2 | 0.5 | 60 | 4 | 6 | 0.2 | 0.77 | £36.46 | 5 days | |
| ESLNR2008-8-01 | 0.8 | 2 | 0.5 | 50 | 4 | 8 | 0.1 | 0.77 | £14.59 | In Stock | |
| ESLNR2008-12-01 | 0.8 | 2 | 0.5 | 55 | 4 | 12 | 0.1 | 0.77 | £36.46 | 5 days | |
| ESLNR2010-4-01 | 1 | 2 | 0.8 | 50 | 4 | 4 | 0.1 | 0.94 | £13.26 | In Stock | |
| ESLNR2010-4-02 | 1 | 2 | 0.8 | 50 | 4 | 4 | 0.2 | 0.94 | £33.14 | In Stock | |
| ESLNR2010-6-01 | 1 | 2 | 0.8 | 50 | 4 | 6 | 0.1 | 0.94 | £13.26 | In Stock | |
| ESLNR2010-6-02 | 1 | 2 | 0.8 | 50 | 4 | 6 | 0.2 | 0.94 | £13.26 | In Stock | |
| ESLNR2010-6-03 | 1 | 2 | 0.8 | 50 | 4 | 6 | 0.3 | 0.94 | £33.14 | 5 days | |
| ESLNR2010-8-01 | 1 | 2 | 0.8 | 50 | 4 | 8 | 0.1 | 0.94 | £13.26 | In Stock | |
| ESLNR2010-8-02 | 1 | 2 | 0.8 | 50 | 4 | 8 | 0.2 | 0.94 | £13.26 | In Stock | |
| ESLNR2010-10-01 | 1 | 2 | 0.8 | 50 | 4 | 10 | 0.1 | 0.94 | £13.26 | In Stock | |
| ESLNR2010-10-02 | 1 | 2 | 0.8 | 50 | 4 | 10 | 0.2 | 0.94 | £33.14 | 5 days | |
| ESLNR2010-10-03 | 1 | 2 | 0.8 | 50 | 4 | 10 | 0.3 | 0.94 | £13.26 | In Stock | |
| ESLNR2010-12-01 | 1 | 2 | 0.8 | 55 | 4 | 12 | 0.1 | 0.94 | £35.35 | In Stock | |
| ESLNR2010-12-02 | 1 | 2 | 0.8 | 55 | 4 | 12 | 0.2 | 0.94 | £14.15 | In Stock | |
| ESLNR2010-16-01 | 1 | 2 | 0.8 | 60 | 4 | 16 | 0.1 | 0.94 | £14.59 | In Stock | |
| ESLNR2010-16-02 | 1 | 2 | 0.8 | 60 | 4 | 16 | 0.2 | 0.94 | £36.46 | 5 days | |
| ESLNR2010-16-03 | 1 | 2 | 0.8 | 60 | 4 | 16 | 0.3 | 0.94 | £36.46 | 5 days | |
| ESLNR2010-20-01 | 1 | 2 | 0.8 | 60 | 4 | 20 | 0.1 | 0.94 | £14.59 | In Stock | |
| ESLNR2010-20-02 | 1 | 2 | 0.8 | 60 | 4 | 20 | 0.2 | 0.94 | £36.46 | 5 days | |
| ESLNR2010-20-03 | 1 | 2 | 0.8 | 60 | 4 | 20 | 0.3 | 0.94 | £14.59 | In Stock | |
| ESLNR2015-4-01 | 1.5 | 2 | 1.35 | 50 | 4 | 4 | 0.1 | 1.42 | £33.14 | 5 days | |
| ESLNR2015-4-02 | 1.5 | 2 | 1.35 | 50 | 4 | 4 | 0.2 | 1.42 | £33.14 | 5 days | |
| ESLNR2015-8-01 | 1.5 | 2 | 1.35 | 50 | 4 | 8 | 0.1 | 1.42 | £13.26 | In Stock | |
| ESLNR2015-8-02 | 1.5 | 2 | 1.35 | 50 | 4 | 8 | 0.2 | 1.42 | £33.14 | 5 days | |
| ESLNR2015-8-03 | 1.5 | 2 | 1.35 | 50 | 4 | 8 | 0.3 | 1.42 | £33.14 | 5 days | |
| ESLNR2015-12-01 | 1.5 | 2 | 1.35 | 55 | 4 | 12 | 0.1 | 1.42 | £33.14 | 5 days | |
| ESLNR2015-12-02 | 1.5 | 2 | 1.35 | 55 | 4 | 12 | 0.2 | 1.42 | £33.14 | 5 days | |
| ESLNR2015-15-01 | 1.5 | 2 | 1.35 | 55 | 4 | 15 | 0.1 | 1.42 | £14.59 | In Stock | |
| ESLNR2015-15-02 | 1.5 | 2 | 1.35 | 55 | 4 | 15 | 0.2 | 1.42 | £14.59 | 5 days | View |
| ESLNR2015-15-03 | 1.5 | 2 | 1.35 | 55 | 4 | 15 | 0.3 | 1.42 | £14.59 | In Stock | |
| ESLNR2015-20-01 | 1.5 | 2 | 1.35 | 60 | 4 | 20 | 0.1 | 1.42 | £14.59 | In Stock | |
| ESLNR2015-20-02 | 1.5 | 2 | 1.35 | 60 | 4 | 20 | 0.2 | 1.42 | £14.59 | In Stock | |
| ESLNR2015-20-03 | 1.5 | 2 | 1.35 | 60 | 4 | 20 | 0.3 | 1.42 | £14.59 | In Stock | |
| ESLNR2020-6-02 | 2 | 2 | 1.7 | 50 | 4 | 6 | 0.2 | 1.92 | £33.14 | 5 days | |
| ESLNR2020-6-05 | 2 | 2 | 1.7 | 50 | 4 | 6 | 0.5 | 1.92 | £33.14 | In Stock | |
| ESLNR2020-8-02 | 2 | 2 | 1.7 | 50 | 4 | 8 | 0.2 | 1.92 | £13.26 | In Stock | |
| ESLNR2020-8-03 | 2 | 2 | 1.7 | 50 | 4 | 8 | 0.3 | 1.92 | £33.14 | 5 days | |
| ESLNR2020-8-05 | 2 | 2 | 1.7 | 50 | 4 | 8 | 0.5 | 1.92 | £13.26 | In Stock | |
| ESLNR2020-8-08 | 2 | 2 | 1.7 | 50 | 4 | 8 | 0.8 | 1.92 | £33.14 | In Stock | |
| ESLNR2020-12-02 | 2 | 2 | 1.7 | 55 | 4 | 12 | 0.2 | 1.92 | £33.14 | 5 days | |
| ESLNR2020-12-05 | 2 | 2 | 1.7 | 55 | 4 | 12 | 0.5 | 1.92 | £33.14 | 5 days | |
| ESLNR2020-16-02 | 2 | 2 | 1.7 | 55 | 4 | 16 | 0.2 | 1.92 | £13.26 | In Stock | |
| ESLNR2020-16-03 | 2 | 2 | 1.7 | 55 | 4 | 16 | 0.3 | 1.92 | £33.14 | In Stock | |
| ESLNR2020-16-05 Viewing | 2 | 2 | 1.7 | 55 | 4 | 16 | 0.5 | 1.92 | £33.14 | In Stock | |
| ESLNR2020-16-08 | 2 | 2 | 1.7 | 55 | 4 | 16 | 0.8 | 1.92 | £13.26 | In Stock | |
| ESLNR2020-20-02 | 2 | 2 | 1.7 | 60 | 4 | 20 | 0.2 | 1.92 | £13.26 | In Stock | |
| ESLNR2020-20-03 | 2 | 2 | 1.7 | 60 | 4 | 20 | 0.3 | 1.92 | £13.26 | In Stock | |
| ESLNR2020-20-05 | 2 | 2 | 1.7 | 60 | 4 | 20 | 0.5 | 1.92 | £33.14 | 5 days | |
| ESLNR2020-20-08 | 2 | 2 | 1.7 | 60 | 4 | 20 | 0.8 | 1.92 | £13.26 | In Stock | |
| ESLNR2020-25-02 | 2 | 2 | 1.7 | 65 | 4 | 25 | 0.2 | 1.92 | £14.59 | In Stock | |
| ESLNR2020-25-05 | 2 | 2 | 1.7 | 65 | 4 | 25 | 0.5 | 1.92 | £14.59 | In Stock | |
| ESLNR2020-30-02 | 2 | 2 | 1.7 | 70 | 4 | 30 | 0.2 | 1.92 | £14.59 | In Stock | |
| ESLNR2020-30-05 | 2 | 2 | 1.7 | 70 | 4 | 30 | 0.5 | 1.92 | £14.59 | In Stock | |
| ESLNR2030-8-02 | 3 | 2 | 2.5 | 55 | 6 | 8 | 0.2 | 2.86 | £35.23 | In Stock | |
| ESLNR2030-8-03 | 3 | 2 | 2.5 | 55 | 6 | 8 | 0.3 | 2.86 | £14.09 | In Stock | |
| ESLNR2030-8-05 | 3 | 2 | 2.5 | 55 | 6 | 8 | 0.5 | 2.86 | £14.09 | In Stock | |
| ESLNR2030-12-02 | 3 | 2 | 2.5 | 60 | 6 | 12 | 0.2 | 2.86 | £35.23 | In Stock | |
| ESLNR2030-12-05 | 3 | 2 | 2.5 | 60 | 6 | 12 | 0.5 | 2.86 | £14.09 | In Stock | |
| ESLNR2030-16-02 | 3 | 2 | 2.5 | 60 | 6 | 16 | 0.2 | 2.86 | £14.09 | In Stock | |
| ESLNR2030-16-03 | 3 | 2 | 2.5 | 60 | 6 | 16 | 0.3 | 2.86 | £35.23 | 5 days | |
| ESLNR2030-16-05 | 3 | 2 | 2.5 | 60 | 6 | 16 | 0.5 | 2.86 | £35.23 | In Stock | |
| ESLNR2030-20-02 | 3 | 2 | 2.5 | 65 | 6 | 20 | 0.2 | 2.86 | £35.23 | 5 days | |
| ESLNR2030-20-03 | 3 | 2 | 2.5 | 65 | 6 | 20 | 0.3 | 2.86 | £35.23 | 5 days | |
| ESLNR2030-20-05 | 3 | 2 | 2.5 | 65 | 6 | 20 | 0.5 | 2.86 | £14.09 | In Stock | |
| ESLNR2030-30-02 | 3 | 2 | 2.5 | 75 | 6 | 30 | 0.2 | 2.86 | £37.50 | 5 days | |
| ESLNR2030-30-03 | 3 | 2 | 2.5 | 75 | 6 | 30 | 0.3 | 2.86 | £15.00 | In Stock | |
| ESLNR2030-30-05 | 3 | 2 | 2.5 | 75 | 6 | 30 | 0.5 | 2.86 | £37.50 | 5 days | |
| ESLNR2030-35-02 | 3 | 2 | 2.5 | 80 | 6 | 35 | 0.2 | 2.86 | £39.78 | 5 days | |
| ESLNR2030-35-05 | 3 | 2 | 2.5 | 80 | 6 | 35 | 0.5 | 2.86 | £15.91 | In Stock |
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