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OSG Carbide 4 Flute End Mill Square - Extra Long Length Centre Cutting For General Applications - 20mm
| Cutter Diameter | 20 |
| Number of Flutes | 4 |
| Flute Length | 76 |
| Overall Length | 153 |
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Description
The OSG Carbide 4 Flute End Mill Square with an extra-long reach is built for a wide range of general machining tasks. With a 20mm diameter and four cutting flutes, it delivers steady, efficient material removal while staying precise in difficult-to-reach areas.
Designed for center cutting, this tool excels at milling, slotting, and profiling in deep pockets and challenging workpieces, giving you extended reach without compromising cutting performance. It's a reliable choice for professionals across industries who value consistency and versatility in a single, durable tool.
- Extra-long length for deep pockets: Extends reach so you can mill, slot, or profile in hard-to-reach areas without repositioning or multiple tools, improving efficiency and finish quality.
- Four-flute design for fast, stable material removal: The balanced geometry delivers smooth cuts and efficient chip evacuation, helping reduce cycle times and tool deflection in a variety of materials.
- Center-cutting square end for versatile milling: Capable of plunging and full-width pocketing with precise perpendicular cuts, enabling cleaner starts and consistent results in general applications.
With carbide construction and a four-flute geometry, this end mill delivers reliable performance across a broad set of general machining tasks. The extended reach reduces tool changes and downtime while maintaining cutting efficiency and edge quality. The square end and center-cutting design provide predictable, repeatable results in mills, slots, and profiles, helping you improve throughput and achieve better surface finishes across your projects.
Part Numbers
- Protool Part Number
- OSG-484-7874
- 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 Square - Extra Long Length Centre Cutting For General Applications
View full collection →You are viewing OSG-484-7874. 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 | 3 | 4 | 25 | 76 | 3 | £26.76 | In Stock | |
| OSG-484-1575 | 4 | 4 | 28 | 76 | 4 | £28.88 | In Stock | |
| OSG-484-1968 | 5 | 4 | 32 | 76 | 5 | £31.46 | In Stock | |
| OSG-484-2362 | 6 | 4 | 38 | 102 | 6 | £41.99 | In Stock | |
| OSG-484-3150 | 8 | 4 | 42 | 102 | 8 | £53.30 | In Stock | |
| OSG-484-3937 | 10 | 4 | 45 | 102 | 10 | £69.07 | In Stock | |
| OSG-484-4724 | 12 | 4 | 76 | 153 | 12 | £155.88 | In Stock | |
| OSG-484-5512 | 14 | 4 | 76 | 153 | 14 | £212.50 | In Stock | |
| OSG-484-6299 | 16 | 4 | 76 | 153 | 16 | £309.37 | In Stock | |
| OSG-484-7087 | 18 | 4 | 76 | 153 | 18 | £355.82 | In Stock | |
| OSG-484-7874 Viewing | 20 | 4 | 76 | 153 | 20 | £384.75 | In Stock | |
| OSG-484-9843 | 25 | 4 | 76 | 153 | 25 | £696.81 | In Stock |
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