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OSG Carbide 4 Flute End Mill Square - 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
The OSG Carbide 4 Flute End Mill Square is a 22 mm diameter regular-length, center-cutting tool designed for general machining tasks. Its four-flute geometry enables efficient material removal and precise, clean cuts across a wide range of materials and applications.
With a versatile square end and a robust carbide construction, this end mill is well suited for engineers, machinists, buyers, and hobbyists alike. It excels at milling, slotting, and profiling, delivering dependable performance and long-term durability for everyday machining work.
- Four-Flute Geometry for Efficient Cutting: The extra flute count increases chip evacuation and allows higher feed rates, delivering faster material removal and a smoother finish across general milling tasks.
- Center-Cutting Versatility: Designed for plunge milling, slotting, and profiling, enabling multiple operations with a single tool and reducing setup time.
- Regular-Length Carbide for Reliability: Balances rigidity and reach to minimize deflection, providing consistent, repeatable results and extended tool life in a variety of materials.
In everyday workflows, this end mill offers predictable performance and cleaner edges—from tight slots to precise profiles—helping you complete projects efficiently with confidence. Its durable carbide construction and well-balanced geometry support steady results, reduced rework, and reliable operation across a broad spectrum of general machining tasks.
Part Numbers
- Protool Part Number
- OSG-404-8661
- 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 - Regular Length Centre Cutting For General Applications
View full collection →You are viewing OSG-404-8661. 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 | 1 | 4 | 3 | 39 | 3 | £19.15 | In Stock | |
| OSG-404-0591 | 1.5 | 4 | 5 | 39 | 3 | £12.35 | In Stock | |
| OSG-404-0787 | 2 | 4 | 7 | 39 | 3 | £13.60 | In Stock | |
| OSG-404-0984 | 2.5 | 4 | 8 | 39 | 3 | £12.35 | In Stock | |
| OSG-404-1181 | 3 | 4 | 10 | 39 | 3 | £12.37 | In Stock | |
| OSG-404-1378 | 3.5 | 4 | 12 | 51 | 4 | £17.03 | In Stock | |
| OSG-404-1575 | 4 | 4 | 14 | 51 | 4 | £17.79 | In Stock | |
| OSG-404-1772 | 4.5 | 4 | 14 | 51 | 5 | £18.86 | In Stock | |
| OSG-404-1968 | 5 | 4 | 16 | 51 | 5 | £18.88 | In Stock | |
| OSG-404-2362 | 6 | 4 | 19 | 64 | 6 | £22.55 | In Stock | |
| OSG-404-2756 | 7 | 4 | 19 | 64 | 8 | £26.88 | In Stock | |
| OSG-404-3150 | 8 | 4 | 21 | 64 | 8 | £26.18 | In Stock | |
| OSG-404-3543 | 9 | 4 | 22 | 70 | 10 | £30.09 | In Stock | |
| OSG-404-3937 | 10 | 4 | 25 | 70 | 10 | £35.29 | In Stock | |
| OSG-404-4331 | 11 | 4 | 25 | 70 | 11 | £48.41 | In Stock | |
| OSG-404-4724 | 12 | 4 | 25 | 76 | 12 | £58.08 | In Stock | |
| OSG-404-5512 | 14 | 4 | 30 | 89 | 14 | £81.58 | In Stock | |
| OSG-404-6299 | 16 | 4 | 32 | 89 | 16 | £119.17 | In Stock | |
| OSG-404-7087 | 18 | 4 | 35 | 102 | 18 | £153.60 | In Stock | |
| OSG-404-7874 | 20 | 4 | 38 | 102 | 20 | £174.61 | In Stock | |
| OSG-404-8661 Viewing | 22 | 4 | 38 | 102 | 22 | £297.05 | In Stock | |
| OSG-404-9843 | 25 | 4 | 38 | 102 | 25 | £323.34 | In Stock |
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