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Widin Carbide End Mill - Ball Nose - 4 Flute Regular Length - 4mm
| Cutter Diameter | 4 |
| Number of Flutes | 4 |
| Flute Length | 8 |
| Overall Length | 50 |
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Description
The Widin Carbide End Mill—Ball Nose, 4 Flute, Regular Length, 4 mm diameter—is a high-performance cutting tool designed for precision milling across a variety of materials. Its ball nose profile lets you create smooth, rounded contours and precise shapes, ideal for fillets, slots, and complex curves.
Built from carbide for exceptional durability and wear resistance, this end mill maintains sharpness and consistent performance over many jobs. The 4-flute design provides improved chip evacuation and reduces cutting forces, enabling higher cutting speeds and increased productivity. The regular-length design offers versatility and easy handling for a wide range of milling tasks.
- Ball Nose Geometry for Smooth Contours: Creates consistent fillets and gentle transitions, delivering smooth surface finishes on curved features across materials.
- Four-Flute Design for Efficient Chip Evacuation and Higher Speeds: The extra flute improves chip clearance, reduces cutting forces, and enables faster feeds and improved productivity.
- Carbide Construction with Regular Length for Durability and Versatility: Carbide provides exceptional wear resistance and long tool life, while the regular-length body supports a wide range of depths and applications.
Designed to deliver reliable results, this end mill helps you complete parts faster with fewer interruptions. The combination of ball nose geometry and four-flute design supports precise contours and clean finishes, while carbide durability reduces tool changes and downtime. Its versatility makes it a dependable choice for both prototyping and daily production tasks in standard CNC setups.
Part Numbers
- Protool Part Number
- TXB304040
- 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 - 4 Flute Regular Length (TXB304)
View full collection →You are viewing TXB304040. 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 |
|---|---|---|---|---|---|---|---|---|---|
| TXB304010 | 1 | 4 | 2 | 50 | 4 | 0.5 | £20.64 | 5 days | |
| TXB304015 | 1.5 | 4 | 3 | 50 | 4 | 0.75 | £18.84 | In Stock | |
| TXB304020 | 2 | 4 | 4 | 50 | 4 | 1 | £12.88 | In Stock | |
| TXB304030 | 3 | 4 | 6 | 50 | 4 | 1.5 | £12.88 | In Stock | |
| TXB304040 Viewing | 4 | 4 | 8 | 50 | 4 | 2 | £12.88 | 5 days | |
| TXB304050 | 5 | 4 | 10 | 50 | 6 | 2.5 | £17.04 | In Stock | |
| TXB304060 | 6 | 4 | 12 | 50 | 6 | 3 | £17.04 | 5 days | |
| TXB304080 | 8 | 4 | 14 | 60 | 8 | 4 | £30.08 | 5 days | |
| TXB304100 | 10 | 4 | 18 | 75 | 10 | 5 | £47.00 | 5 days | |
| TXB304120 | 12 | 4 | 22 | 75 | 12 | 6 | £71.52 | In Stock | |
| TXB304140 | 14 | 4 | 32 | 75 | 14 | 7 | £136.10 | In Stock | |
| TXB304160 | 16 | 4 | 32 | 100 | 16 | 8 | £166.56 | In Stock | |
| TXB304180 | 18 | 4 | 32 | 100 | 18 | 9 | £220.90 | 5 days | |
| TXB304200 | 20 | 4 | 38 | 100 | 20 | 10 | £270.70 | 5 days |
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