Please log in here to access all benefits, including promotional discounts and faster checkouts.


Widin Carbide End Mill - 2 Flute Tapered Neck Type - Ball Nose - 1.8mm x 40mm x0.4Ø
| Cutter Diameter | 1.8 |
| Number of Flutes | 2 |
| Flute Length | 1.6 |
| Overall Length | 80 |
Learn more about Klarna
Description
Widin Carbide End Mill with ball nose tip is a compact, precision micro milling tool designed for detailed work and 3D contouring. With a cutting diameter of 1.8 mm and a 40 mm overall length, it is built to deliver accurate material removal in tight spaces while maintaining stable performance across a range of small-feature applications.
Its tapered neck design minimizes tool vibration and chatter, allowing smooth, stable cuts in deep grooves and on sloped surfaces. Crafted from advanced carbide with a newly developed coating, this end mill is optimized for dry cutting and high-speed milling, and it can handle demanding materials up to HRc70, providing reliable performance in challenging shop environments.
- Tapered neck for reduced vibration and chatter: Keeps cuts steady in deep pockets and angled surfaces, improving surface finish and tool life while reducing grinding and rework.
- Ball nose geometry for precise 3D contours: Delivers smooth radii and accurate profiles on complex shapes, minimizing finishing passes and enhancing dimensional accuracy.
- Two-flute carbide with advanced coating: Optimized for high-speed dry cutting and hard materials, offering better chip evacuation, cooler operation, and longer tool life under demanding milling conditions.
This end mill helps you improve workflow by delivering consistent, high-precision results with fewer tool changes and less rework. Its robust carbide construction and coating choice support reliable performance in tough materials and challenging geometries, making it a dependable choice for engineers, machinists, and hobbyists who demand repeatable results and efficient cutting in a compact tool.
Part Numbers
- Protool Part Number
- ESTNB2018-40-04
- Brand
- Widin
- Category
- End Mill
Need cutting data? Call 01732 887334 or email sales@protool-ltd.co.uk.
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.
Full Range: Widin Carbide End Mill - 2 Flute Tapered Neck Type - Ball Nose (ZSTNB20)
View full collection →You are viewing ESTNB2018-40-04. Click any other SKU to view its full details.
| Product SKU | Cutter Diameter | Number of Flutes | Flute Length | Overall Length | Shank Diameter | Reach | Radius | Neck Diameter | Taper Angle | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ESTNB2002-1-04 | 0.2 | 2 | 0.15 | 50 | 4 | 1 | 0.1 | 0.17 | 0.4° | £71.00 | 5 days | |
| ESTNB2002-1.5-04 | 0.2 | 2 | 0.15 | 50 | 4 | 1.5 | 0.1 | 0.17 | 0.4° | £71.00 | 5 days | |
| ESTNB2002-2-09 | 0.2 | 2 | 0.15 | 50 | 4 | 2 | 0.1 | 0.17 | 0.9° | £73.88 | 5 days | |
| ESTNB2002-2.5-09 | 0.2 | 2 | 0.15 | 50 | 4 | 2.5 | 0.1 | 0.17 | 0.9° | £73.88 | 5 days | |
| ESTNB2003-2-04 | 0.3 | 2 | 0.25 | 50 | 4 | 2 | 0.15 | 0.28 | 0.4° | £55.65 | 5 days | |
| ESTNB2003-3-09 | 0.3 | 2 | 0.25 | 50 | 4 | 3 | 0.15 | 0.28 | 0.9° | £55.65 | 5 days | |
| ESTNB2003-4-09 | 0.3 | 2 | 0.25 | 50 | 4 | 4 | 0.15 | 0.28 | 0.9° | £58.55 | 5 days | |
| ESTNB2004-2-04 | 0.4 | 2 | 0.3 | 50 | 4 | 2 | 0.2 | 0.37 | 0.4° | £55.65 | 5 days | |
| ESTNB2004-3-04 | 0.4 | 2 | 0.3 | 50 | 4 | 3 | 0.2 | 0.37 | 0.4° | £55.65 | 5 days | |
| ESTNB2004-4-04 | 0.4 | 2 | 0.3 | 50 | 4 | 4 | 0.2 | 0.37 | 0.4° | £55.65 | 5 days | |
| ESTNB2004-4-09 | 0.4 | 2 | 0.3 | 50 | 4 | 4 | 0.2 | 0.37 | 0.9° | £55.65 | 5 days | |
| ESTNB2004-5-04 | 0.4 | 2 | 0.3 | 50 | 4 | 5 | 0.2 | 0.37 | 0.4° | £58.55 | 5 days | |
| ESTNB2004-5-09 | 0.4 | 2 | 0.3 | 50 | 4 | 5 | 0.2 | 0.37 | 0.9° | £58.55 | 5 days | |
| ESTNB2005-4-04 | 0.5 | 2 | 0.35 | 50 | 4 | 4 | 0.25 | 0.47 | 0.4° | £44.13 | 5 days | |
| ESTNB2005-8-09 | 0.5 | 2 | 0.35 | 50 | 4 | 8 | 0.25 | 0.57 | 0.9° | £46.05 | 5 days | |
| ESTNB2005-12-09 | 0.5 | 2 | 0.35 | 50 | 4 | 12 | 0.25 | 0.47 | 0.9° | £47.98 | 5 days | |
| ESTNB2006-2-04 | 0.6 | 2 | 0.4 | 50 | 4 | 2 | 0.3 | 0.57 | 0.4° | £42.35 | 5 days | |
| ESTNB2006-4-04 | 0.6 | 2 | 0.4 | 50 | 4 | 4 | 0.3 | 0.57 | 0.4° | £44.13 | 5 days | |
| ESTNB2006-6-04 | 0.6 | 2 | 0.4 | 50 | 4 | 6 | 0.3 | 0.57 | 0.4° | £44.13 | 5 days | |
| ESTNB2006-6-09 | 0.6 | 2 | 0.4 | 50 | 4 | 6 | 0.3 | 0.57 | 0.9° | £44.13 | 5 days | |
| ESTNB2006-8-09 | 0.6 | 2 | 0.4 | 50 | 4 | 8 | 0.3 | 0.57 | 0.9° | £46.05 | 5 days | |
| ESTNB2006-10-04 | 0.6 | 2 | 0.4 | 50 | 4 | 10 | 0.3 | 0.57 | 0.4° | £47.98 | 5 days | |
| ESTNB2006-10-09 | 0.6 | 2 | 0.4 | 50 | 4 | 10 | 0.3 | 0.57 | 0.9° | £47.98 | 5 days | |
| ESTNB2006-12-09 | 0.6 | 2 | 0.4 | 55 | 4 | 12 | 0.3 | 0.57 | 0.9° | £47.98 | 5 days | |
| ESTNB2006-15-04 | 0.6 | 2 | 0.4 | 55 | 4 | 15 | 0.3 | 0.57 | 0.4° | £50.85 | 5 days | |
| ESTNB2006-15-09 | 0.6 | 2 | 0.4 | 55 | 4 | 15 | 0.3 | 0.57 | 0.9° | £50.85 | 5 days | |
| ESTNB2008-4-04 | 0.8 | 2 | 0.5 | 50 | 4 | 4 | 0.4 | 0.77 | 0.4° | £44.13 | 5 days | |
| ESTNB2008-6-04 | 0.8 | 2 | 0.5 | 50 | 4 | 6 | 0.4 | 0.77 | 0.4° | £44.13 | 5 days | |
| ESTNB2008-8-09 | 0.8 | 2 | 0.5 | 50 | 4 | 8 | 0.4 | 0.77 | 0.9° | £45.95 | 5 days | |
| ESTNB2008-12-09 | 0.8 | 2 | 0.5 | 55 | 4 | 12 | 0.4 | 0.77 | 0.9° | £47.98 | 5 days | |
| ESTNB2008-16-09 | 0.8 | 2 | 0.5 | 55 | 4 | 16 | 0.4 | 0.77 | 0.9° | £50.85 | 5 days | |
| ESTNB2009-4-04 | 0.9 | 2 | 0.6 | 50 | 4 | 4 | 0.45 | 0.86 | 0.4° | £44.13 | 5 days | |
| ESTNB2009-8-04 | 0.9 | 2 | 0.6 | 55 | 4 | 8 | 0.45 | 0.86 | 0.4° | £45.95 | 5 days | |
| ESTNB2009-12-04 | 0.9 | 2 | 0.6 | 55 | 4 | 12 | 0.45 | 0.86 | 0.4° | £47.98 | 5 days | |
| ESTNB2009-16-04 | 0.9 | 2 | 0.6 | 60 | 4 | 16 | 0.45 | 0.86 | 0.4° | £50.85 | 5 days | |
| ESTNB2009-18-04 | 0.9 | 2 | 0.6 | 65 | 4 | 18 | 0.45 | 0.86 | 0.4° | £52.78 | 5 days | |
| ESTNB2009-20-04 | 0.9 | 2 | 0.6 | 65 | 4 | 20 | 0.45 | 0.86 | 0.4° | £52.78 | 5 days | |
| ESTNB2009-22-04 | 0.9 | 2 | 0.6 | 65 | 4 | 22 | 0.45 | 0.86 | 0.4° | £52.78 | 5 days | |
| ESTNB2009-24-04 | 0.9 | 2 | 0.6 | 70 | 4 | 24 | 0.45 | 0.86 | 0.4° | £55.65 | 5 days | |
| ESTNB2010-6-04 | 1 | 2 | 0.8 | 50 | 6 | 6 | 0.5 | 0.94 | 0.4° | £44.03 | 5 days | |
| ESTNB2010-8-04 | 1 | 2 | 0.8 | 55 | 6 | 8 | 0.5 | 0.94 | 0.4° | £44.03 | 5 days | |
| ESTNB2010-10-04 | 1 | 2 | 0.8 | 55 | 6 | 10 | 0.5 | 0.94 | 0.4° | £44.03 | 5 days | |
| ESTNB2010-10-09 | 1 | 2 | 0.8 | 55 | 6 | 10 | 0.5 | 0.94 | 0.9° | £44.03 | 5 days | |
| ESTNB2010-15-09 | 1 | 2 | 0.8 | 60 | 6 | 15 | 0.5 | 0.94 | 0.9° | £44.03 | 5 days | |
| ESTNB2010-20-04 | 1 | 2 | 0.8 | 65 | 6 | 20 | 0.5 | 0.94 | 0.4° | £47.08 | 5 days | |
| ESTNB2010-20-09 | 1 | 2 | 0.8 | 55 | 6 | 25 | 0.5 | 0.94 | 0.9° | £47.08 | 5 days | |
| ESTNB2010-25-09 | 1 | 2 | 0.8 | 70 | 6 | 25 | 0.5 | 0.94 | 0.9° | £47.08 | 5 days | |
| ESTNB2010-30-04 | 1 | 2 | 0.8 | 75 | 6 | 30 | 0.5 | 0.94 | 0.4° | £49.13 | 5 days | |
| ESTNB2010-30-09 | 1 | 2 | 0.8 | 75 | 6 | 30 | 0.5 | 0.94 | 0.9° | £49.13 | 5 days | |
| ESTNB2010-35-09 | 1 | 2 | 0.8 | 80 | 6 | 35 | 0.5 | 0.94 | 0.9° | £51.18 | 5 days | |
| ESTNB2010-40-09 | 1 | 2 | 0.8 | 85 | 6 | 40 | 0.5 | 0.94 | 0.9° | £53.23 | 5 days | |
| ESTNB2010-50-09 | 1 | 2 | 0.8 | 95 | 6 | 50 | 0.5 | 0.94 | 0.9° | £56.30 | 5 days | |
| ESTNB2010-60-09 | 1 | 2 | 0.8 | 105 | 6 | 60 | 0.5 | 0.94 | 0.9° | £59.38 | 5 days | |
| ESTNB2010-70-09 | 1 | 2 | 0.8 | 115 | 6 | 70 | 0.5 | 0.94 | 0.9° | £63.45 | 5 days | |
| ESTNB2015-8-04 | 1.5 | 2 | 1.35 | 55 | 6 | 8 | 0.75 | 1.42 | 0.4° | £44.03 | 5 days | |
| ESTNB2015-10-04 | 1.5 | 2 | 1.35 | 55 | 6 | 10 | 0.75 | 1.42 | 0.4° | £44.03 | 5 days | |
| ESTNB2015-12-04 | 1.5 | 2 | 1.35 | 55 | 6 | 12 | 0.75 | 1.42 | 0.4° | £44.03 | 5 days | |
| ESTNB2015-15-09 | 1.5 | 2 | 1.35 | 60 | 6 | 15 | 0.75 | 1.42 | 0.9° | £44.03 | 5 days | |
| ESTNB2015-20-09 | 1.5 | 2 | 1.35 | 65 | 6 | 20 | 0.75 | 1.42 | 0.9° | £47.08 | 5 days | |
| ESTNB2015-30-09 | 1.5 | 2 | 1.35 | 75 | 6 | 30 | 0.75 | 1.42 | 0.9° | £49.13 | 5 days | |
| ESTNB2018-4-04 | 1.8 | 2 | 1.6 | 50 | 6 | 4 | 0.9 | 1.73 | 0.4° | £45.25 | 5 days | |
| ESTNB2018-8-04 | 1.8 | 2 | 1.6 | 50 | 6 | 8 | 0.9 | 1.73 | 0.4° | £47.08 | 5 days | |
| ESTNB2018-12-04 | 1.8 | 2 | 1.6 | 55 | 6 | 12 | 0.9 | 1.73 | 0.4° | £47.08 | 5 days | |
| ESTNB2018-16-04 | 1.8 | 2 | 1.6 | 60 | 6 | 16 | 0.9 | 1.73 | 0.4° | £49.13 | 5 days | |
| ESTNB2018-20-04 | 1.8 | 2 | 1.6 | 65 | 6 | 20 | 0.9 | 1.73 | 0.4° | £51.18 | 5 days | |
| ESTNB2018-24-04 | 1.8 | 2 | 1.6 | 65 | 6 | 24 | 0.9 | 1.73 | 0.4° | £51.18 | 5 days | |
| ESTNB2018-28-04 | 1.8 | 2 | 1.6 | 70 | 6 | 28 | 0.9 | 1.73 | 0.4° | £51.18 | 5 days | |
| ESTNB2018-32-04 | 1.8 | 2 | 1.6 | 70 | 6 | 32 | 0.9 | 1.73 | 0.4° | £51.18 | 5 days | |
| ESTNB2018-36-04 | 1.8 | 2 | 1.6 | 75 | 6 | 36 | 0.9 | 1.73 | 0.4° | £53.23 | 5 days | |
| ESTNB2018-38-04 | 1.8 | 2 | 1.6 | 80 | 6 | 38 | 0.9 | 1.73 | 0.4° | £57.30 | 5 days | |
| ESTNB2018-40-04 Viewing | 1.8 | 2 | 1.6 | 80 | 6 | 40 | 0.9 | 1.73 | 0.4° | £57.30 | 5 days | |
| ESTNB2020-8-04 | 2 | 2 | 1.7 | 50 | 6 | 8 | 1 | 1.92 | 0.4° | £44.03 | 5 days | |
| ESTNB2020-12-04 | 2 | 2 | 1.7 | 55 | 6 | 12 | 1 | 1.92 | 0.4° | £44.03 | 5 days | |
| ESTNB2020-16-04 | 2 | 2 | 1.7 | 60 | 6 | 16 | 1 | 1.92 | 0.4° | £44.03 | 5 days | |
| ESTNB2020-20-04 | 2 | 2 | 1.7 | 65 | 6 | 20 | 1 | 1.92 | 0.4° | £46.05 | 5 days | |
| ESTNB2020-25-09 | 2 | 2 | 1.7 | 65 | 6 | 25 | 1 | 1.92 | 0.9° | £47.08 | 5 days | |
| ESTNB2020-30-04 | 2 | 2 | 1.7 | 70 | 6 | 30 | 1 | 1.92 | 0.4° | £49.13 | 5 days | |
| ESTNB2020-30-09 | 2 | 2 | 1.7 | 70 | 6 | 30 | 1 | 1.92 | 0.9° | £49.13 | 5 days | |
| ESTNB2030-8-04 | 3 | 2 | 2.5 | 50 | 6 | 8 | 1.5 | 2.86 | 0.4° | £44.03 | 5 days | |
| ESTNB2030-16-04 | 3 | 2 | 2.5 | 55 | 6 | 16 | 1.5 | 2.86 | 0.4° | £44.03 | 5 days | |
| ESTNB2030-20-04 | 3 | 2 | 2.5 | 60 | 6 | 20 | 1.5 | 2.86 | 0.4° | £46.05 | 5 days | |
| ESTNB2030-30-04 | 3 | 2 | 2.5 | 70 | 6 | 30 | 1.5 | 2.86 | 0.4° | £49.13 | 5 days | |
| ESTNB2030-40-04 | 3 | 2 | 2.5 | 80 | 6 | 40 | 1.5 | 2.86 | 0.4° | £53.23 | 5 days | |
| ESTNB2030-50-09 | 3 | 2 | 2.5 | 90 | 6 | 50 | 1.5 | 2.86 | 0.9° | £56.30 | 5 days | |
| ESTNB2030-60-09 | 3 | 2 | 2.5 | 100 | 6 | 60 | 1.5 | 2.86 | 0.9° | £59.38 | 5 days | |
| ESTNB2030-70-09 | 3 | 2 | 2.5 | 110 | 6 | 70 | 1.5 | 2.86 | 0.9° | £63.45 | 5 days | |
| ESTNB2040-20-10 | 4 | 2 | 8 | 70 | 8 | 20 | 2 | 3.86 | 1° | £53.28 | 5 days | |
| ESTNB2040-30-10 | 4 | 2 | 8 | 80 | 8 | 30 | 2 | 3.86 | 1° | £55.48 | 5 days | |
| ESTNB2040-40-10 | 4 | 2 | 8 | 90 | 8 | 40 | 2 | 3.86 | 1° | £58.80 | 5 days | |
| ESTNB2040-50-10 | 4 | 2 | 8 | 100 | 8 | 50 | 2 | 3.86 | 1° | £64.38 | 5 days | |
| ESTNB2040-60-10 | 4 | 2 | 8 | 110 | 8 | 60 | 2 | 3.86 | 1° | £68.80 | 5 days | |
| ESTNB2050-30-10 | 5 | 2 | 10 | 80 | 8 | 30 | 2.5 | 4.86 | 1° | £55.48 | 5 days | |
| ESTNB2050-40-10 | 5 | 2 | 10 | 90 | 8 | 40 | 2.5 | 4.86 | 1° | £58.80 | 5 days | |
| ESTNB2050-60-10 | 5 | 2 | 10 | 110 | 8 | 60 | 2.5 | 4.86 | 1° | £68.80 | 5 days | |
| ESTNB2060-30-10 | 6 | 2 | 12 | 80 | 8 | 30 | 3 | 5.86 | 1° | £55.48 | 5 days | |
| ESTNB2060-40-10 | 6 | 2 | 12 | 90 | 8 | 40 | 3 | 5.86 | 1° | £58.80 | 5 days | |
| ESTNB2060-50-10 | 6 | 2 | 12 | 100 | 8 | 50 | 3 | 5.86 | 1° | £64.38 | 5 days | |
| ESTNB2060-60-10 | 6 | 2 | 12 | 110 | 10 | 60 | 3 | 5.86 | 1° | £107.00 | 5 days | |
| ESTNB2060-70-10 | 6 | 2 | 12 | 120 | 10 | 70 | 3 | 5.86 | 1° | £118.88 | 5 days | |
| ESTNB2060-80-10 | 6 | 2 | 12 | 130 | 10 | 80 | 3 | 5.86 | 1° | £130.80 | 5 days | |
| ESTNB2080-50-10 | 8 | 2 | 14 | 110 | 10 | 50 | 4 | 7.86 | 1° | £107.00 | 5 days | |
| ESTNB2080-60-10 | 8 | 2 | 14 | 120 | 10 | 60 | 4 | 7.86 | 1° | £118.88 | 5 days | |
| ESTNB2080-70-10 | 8 | 2 | 14 | 130 | 10 | 70 | 4 | 7.86 | 1° | £130.80 | 5 days | |
| ESTNB2080-80-10 | 8 | 2 | 14 | 140 | 12 | 80 | 4 | 7.86 | 1° | £188.45 | 5 days | |
| ESTNB2100-60-10 | 10 | 2 | 18 | 130 | 12 | 60 | 5 | 9.86 | 1° | £175.00 | 5 days | |
| ESTNB2100-75-10 | 10 | 2 | 18 | 140 | 12 | 75 | 5 | 9.86 | 1° | £188.45 | 5 days |
No products match your filters.