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OSG Carbide 4 Flute End Mill Ball Nose - Regular Length Centre Cutting For General Applications - 22mm
| Cutter Diameter | 22 |
| Number of Flutes | 4 |
| Flute Length | 38 |
| Overall Length | 102 |
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Description
Meet the OSG Carbide 4 Flute End Mill Ball Nose. With a 22 mm diameter, four-flute carbide design and regular-length, center-cutting geometry, it delivers smooth contouring, precise profiling, and reliable 3D machining across a variety of materials. Designed for engineers, machinists, and hobbyists alike, it's a versatile tool for general machining tasks that require durability and consistent results.
- Ball Nose Geometry: Provides smooth, accurate 3D contours and gentle transitions on rounded surfaces, improving surface finish and minimizing post-processing.
- Four-Flute Carbide Design: Delivers steady cutting action and efficient chip evacuation for faster cycles and consistently clean finishes, with long tool life.
- Regular-Length, Center-Cutting: Maintains rigidity and compatibility with a wide range of machines while enabling plunge entry and versatile contouring in a single setup.
This end mill translates fast, efficient material removal into precise, repeatable parts. The carbide construction resists wear for longer tool life, while the ball nose geometry supports high-quality finishes on 3D features and profiles. Ideal for general manufacturing, aerospace, and automotive applications, it helps improve workflow, reduce downtime, and deliver dependable results across everyday milling tasks.
Part Numbers
- Protool Part Number
- OSG-404-8661-BN
- Brand
- OSG
- 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: OSG Carbide 4 Flute End Mill Ball Nose - Regular Length Centre Cutting For General Applications
View full collection →You are viewing OSG-404-8661-BN. Click any other SKU to view its full details.
| Product SKU | Cutter Diameter | Number of Flutes | Flute Length | Overall Length | Shank Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| OSG-404-0394-BN | 1 | 4 | 3 | 39 | 3 | £22.04 | In Stock | |
| OSG-404-0591-BN | 1.5 | 4 | 5 | 39 | 3 | £14.23 | In Stock | |
| OSG-404-0787-BN | 2 | 4 | 7 | 39 | 3 | £15.63 | In Stock | |
| OSG-404-0984-BN | 2.5 | 4 | 8 | 39 | 3 | £14.23 | In Stock | |
| OSG-404-1181-BN | 3 | 4 | 10 | 39 | 3 | £14.24 | In Stock | |
| OSG-404-1378-BN | 3.5 | 4 | 12 | 51 | 4 | £19.58 | In Stock | |
| OSG-404-1575-BN | 4 | 4 | 14 | 51 | 4 | £20.48 | In Stock | |
| OSG-404-1772-BN | 4.5 | 4 | 14 | 51 | 5 | £21.64 | In Stock | |
| OSG-404-1968-BN | 5 | 4 | 16 | 51 | 5 | £21.64 | In Stock | |
| OSG-404-2362-BN | 6 | 4 | 19 | 64 | 6 | £25.90 | In Stock | |
| OSG-404-2756-BN | 7 | 4 | 19 | 64 | 8 | £30.87 | In Stock | |
| OSG-404-3150-BN | 8 | 4 | 21 | 64 | 8 | £30.15 | In Stock | |
| OSG-404-3543-BN | 9 | 4 | 22 | 70 | 10 | £34.56 | In Stock | |
| OSG-404-3937-BN | 10 | 4 | 25 | 70 | 10 | £40.53 | In Stock | |
| OSG-404-4331-BN | 11 | 4 | 25 | 70 | 11 | £55.57 | In Stock | |
| OSG-404-4724-BN | 12 | 4 | 25 | 76 | 12 | £66.80 | In Stock | |
| OSG-404-5512-BN | 14 | 4 | 30 | 89 | 14 | £93.72 | In Stock | |
| OSG-404-6299-BN | 16 | 4 | 32 | 89 | 16 | £136.82 | In Stock | |
| OSG-404-7087-BN | 18 | 4 | 35 | 102 | 18 | £176.66 | In Stock | |
| OSG-404-7874-BN | 20 | 4 | 38 | 102 | 20 | £200.78 | In Stock | |
| OSG-404-8661-BN Viewing | 22 | 4 | 38 | 102 | 22 | £342.17 | 1-2 days | |
| OSG-404-9843-BN | 25 | 4 | 38 | 102 | 25 | £371.28 | In Stock |
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