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Widin Carbide End Mill - Ball Nose - 2 Flute - 4mm x 4mm Shank Dia
| Cutter Diameter | 4 |
| Number of Flutes | 2 |
| Flute Length | 8 |
| Overall Length | 70 |
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Description
Widin Carbide End Mill is a ball nose milling tool designed for precise, smooth contouring and intricate detail work. With a 2-flute configuration and a 4 mm shank, it’s suitable for a wide range of materials and applications, making it a reliable choice for both professionals and hobbyists.
The carbide construction delivers standout durability and heat resistance, enabling longer tool life and consistent performance even in demanding cuts. The 2-flute design promotes efficient chip evacuation, helping prevent chip clogging and maintain steady, efficient cutting.
- Ball Nose Geometry for Smooth Contours: Creates gentle, accurate 3D curves and fine surface finishes, reducing post-processing and delivering high-quality parts straight from the cut.
- 2-Flute Design for Efficient Chip Evacuation: Enables cleaner cuts with better material removal and reduced heat buildup, helping you maintain steady feeds and speeds.
- Carbide Construction for Durability and Heat Resistance: Delivers long tool life and reliable performance in a variety of materials, even during extended runs or higher-temperature cuts.
This end mill helps you streamline workflows by delivering consistent results, minimizing downtime, and enabling precise detailing in a range of projects—from quick prototypes to finished parts. Invest in dependable performance that supports accurate shaping, smooth finishes, and repeatable outcomes.
Part Numbers
- Protool Part Number
- DB312040S4
- 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.
Full Range: Widin Carbide End Mill - Ball Nose - 2 Flute (DB312)
View full collection →You are viewing DB312040S4. Click any other SKU to view its full details.
| Product SKU | Cutter Diameter | Number of Flutes | Flute Length | Overall Length | Shank Diameter | Radius | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| DB312010S4 | 1 | 2 | 2.5 | 50 | 4 | 0.5 | £17.98 | 5 days | |
| DB312010 | 1 | 2 | 2.5 | 50 | 6 | 0.5 | £19.60 | 5 days | |
| DB312012 | 1.2 | 2 | 3 | 50 | 6 | 0.6 | £19.60 | 5 days | |
| DB312015 | 1.5 | 2 | 4 | 50 | 6 | 0.75 | £19.60 | 5 days | |
| DB312020S4 | 2 | 2 | 5 | 50 | 4 | 1 | £18.36 | 5 days | |
| DB312020 | 2 | 2 | 5 | 50 | 6 | 1 | £19.60 | 5 days | |
| DB312025 | 2.5 | 2 | 6 | 60 | 6 | 1.25 | £19.60 | 5 days | |
| DB312030S3 | 3 | 2 | 8 | 60 | 3 | 1.5 | £17.98 | 5 days | |
| DB312030S4 | 3 | 2 | 8 | 60 | 4 | 1.5 | £17.98 | 5 days | |
| DB312030 | 3 | 2 | 8 | 60 | 6 | 1.5 | £20.56 | 5 days | |
| DB312035 | 3.5 | 2 | 8 | 70 | 6 | 1.75 | £20.56 | 5 days | |
| DB312040S4 Viewing | 4 | 2 | 8 | 70 | 4 | 2 | £18.90 | In Stock | |
| DB312040 | 4 | 2 | 8 | 70 | 6 | 2 | £20.56 | 5 days | |
| DB312045 | 4.5 | 2 | 8 | 70 | 6 | 2.25 | £22.90 | 5 days | |
| DB312050 | 5 | 2 | 10 | 80 | 6 | 2.5 | £22.90 | 5 days | |
| DB312055 | 5.5 | 2 | 10 | 80 | 6 | 2.75 | £22.90 | 5 days | |
| DB312060S | 6 | 2 | 12 | 60 | 6 | 3 | £21.76 | 5 days | |
| DB312060 | 6 | 2 | 12 | 90 | 6 | 3 | £22.90 | 5 days | |
| DB312065 | 6.5 | 2 | 12 | 90 | 8 | 3.25 | £32.06 | 5 days | |
| DB312070 | 7 | 2 | 14 | 90 | 8 | 3.5 | £32.06 | 5 days | |
| DB312080S | 8 | 2 | 14 | 60 | 8 | 4 | £30.46 | 5 days | |
| DB312080 | 8 | 2 | 14 | 100 | 8 | 4 | £32.06 | 5 days | |
| DB312090 | 9 | 2 | 18 | 100 | 10 | 4.5 | £46.82 | 5 days | |
| DB312100S | 10 | 2 | 18 | 60 | 10 | 5 | £44.48 | 5 days | |
| DB312100 | 10 | 2 | 18 | 100 | 10 | 5 | £46.82 | 5 days | |
| DB312120 | 12 | 2 | 22 | 110 | 12 | 6 | £68.70 | 5 days | |
| DB312140 | 14 | 2 | 26 | 110 | 14 | 7 | £140.62 | 5 days | |
| DB312160 | 16 | 2 | 30 | 140 | 16 | 8 | £196.36 | 5 days | |
| DB312180 | 18 | 2 | 34 | 140 | 18 | 9 | £267.64 | 5 days | |
| DB312200 | 20 | 2 | 38 | 160 | 20 | 10 | £333.54 | 5 days |
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