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Widin Carbide End Mill - Ball Nose - 2 Flute - 3mm x 4mm Shank Dia
| Cutter Diameter | 3 |
| Number of Flutes | 2 |
| Flute Length | 8 |
| Overall Length | 60 |
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Description
Widin Carbide End Mill – Ball Nose, 2 Flute, with a 3 mm cutting diameter and a 4 mm shank diameter – is a versatile cutting tool designed for precision milling. Its ball-nose profile supports smooth curves, fillets, and intricate detail across a variety of materials, making it ideal for engineers, makers, hobbyists, and professional shops seeking refined finishes with consistent results.
Crafted from carbide for outstanding wear resistance and heat tolerance, this end mill maintains performance through long runs. The 2-flute configuration promotes efficient chip evacuation, helping prevent chip clogging and enabling dependable profiling and contour work.
- Ball Nose Geometry for Smooth Contours: Delivers gentle radii and a smooth surface on curves, fillets, and 3D features, reducing finishing passes and delivering professional-looking results across a range of materials.
- Efficient 2-Flute Chip Evacuation: Low chip load per flute helps clear chips quickly, minimizes heat buildup, and supports steady feeds for cleaner cuts and longer tool life.
- Carbide Build with 4 mm Shank: Durable carbide construction stands up to heat and wear, while the 4 mm shank provides rigidity and compatibility with common holders and CNC setups.
With these qualities, the Widin End Mill helps you complete detailed work faster, achieve consistent surface finishes, and reduce the need for rework. The combination of precise ball-nose geometry, efficient chip evacuation, and robust carbide makes it a dependable choice for contouring and fine-detail work on a variety of materials, improving workflow and overall results.
Part Numbers
- Protool Part Number
- DB312030S4
- 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 DB312030S4. 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 Viewing | 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 | 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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