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

OSG Carbide 4 Flute End Mill Ball Nose TiAlN Coated - Extra Long Length Centre Cutting For General Applications - 25mm
| Cutter Diameter | 25 |
| Number of Flutes | 4 |
| Flute Length | 76 |
| Overall Length | 153 |
Learn more about Klarna
Description
The OSG Carbide 4-Flute End Mill with Ball Nose is a versatile cutting tool designed for general machining tasks such as contouring, profiling, and 3D shaping. With a 25 mm diameter, four flutes, and a ball-nose profile, it delivers precise, repeatable results across a range of materials.
Equipped with a TiAlN coating and center-cutting geometry, it also offers extended life and reliable performance in demanding applications, while the extra-long length provides reach to deep pockets and challenging workpieces.
- Extra-long reach for deep pockets and hard-to-reach work: The extended length lets you access deeper cavities and complex shapes while maintaining cutting efficiency and control, reducing the need for multiple tools.
- TiAlN-coated carbide for wear resistance and longer tool life: The TiAlN coating enhances hardness and heat resistance, helping the tool stay sharp longer and perform consistently in demanding cutting conditions.
- Center-cutting ball-nose with four flutes for smooth contours: Ball-nose geometry enables accurate 3D contouring and profiling, while the four-flute design balances chip evacuation, stability, and surface finish for reliable results.
Using this end mill across contouring, profiling, and light 3D work helps streamline setups and reduce tool changes. The center-cutting capability simplifies plunging and pocketing, and the TiAlN coating supports long, dependable service life. Together, these features translate to steadier throughput, consistent finishes, and trusted performance on a wide range of general machining tasks.
Part Numbers
- Protool Part Number
- OSG-484-9843-BN11
- 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 TiAlN Coated - Extra Long Length Centre Cutting For General Applications
View full collection →You are viewing OSG-484-9843-BN11. 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-484-1181-BN11 | 3 | 4 | 25 | 76 | 3 | £39.58 | In Stock | |
| OSG-484-1575-BN11 | 4 | 4 | 28 | 76 | 4 | £41.88 | In Stock | |
| OSG-484-1968-BN11 | 5 | 4 | 32 | 76 | 5 | £44.59 | In Stock | |
| OSG-484-2362-BN11 | 6 | 4 | 38 | 102 | 6 | £55.85 | In Stock | |
| OSG-484-3150-BN11 | 8 | 4 | 42 | 102 | 8 | £71.55 | In Stock | |
| OSG-484-3937-BN11 | 10 | 4 | 45 | 102 | 10 | £88.35 | In Stock | |
| OSG-484-4724-BN11 | 12 | 4 | 76 | 153 | 12 | £184.51 | In Stock | |
| OSG-484-5512-BN11 | 14 | 4 | 76 | 153 | 14 | £258.67 | In Stock | |
| OSG-484-6299-BN11 | 16 | 4 | 76 | 153 | 16 | £368.24 | In Stock | |
| OSG-484-7087-BN11 | 18 | 4 | 76 | 153 | 18 | £420.68 | In Stock | |
| OSG-484-7874-BN11 | 20 | 4 | 76 | 153 | 20 | £451.58 | In Stock | |
| OSG-484-9843-BN11 Viewing | 25 | 4 | 76 | 153 | 25 | £786.55 | In Stock |
No products match your filters.


