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OSG Carbide 4 Flute End Mill Square - Regular Length Centre Cutting For General Applications - 4.5mm
| Cutter Diameter | 4.5 |
| Number of Flutes | 4 |
| Flute Length | 14 |
| Overall Length | 51 |
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Description
The OSG Carbide 4 Flute End Mill Square, 4.5 mm diameter, is a regular-length, center-cutting tool designed for general machining tasks. It’s a versatile choice for engineers, machinists, and hobbyists who need reliable milling, slotting, and profiling performance in a compact form.
Its square-end geometry and four-flute design deliver clean, precise edges and efficient material removal, supporting consistent results across everyday projects.
- Four-Flute design for fast, smooth milling: The four cutting edges enable efficient material removal, smoother surface finishes, and higher feed rates for common milling tasks.
- Center-cutting, regular-length versatility: Center-cutting capability allows plunge milling into pockets and slots, while the regular-length body provides balanced rigidity across a wide range of setups and applications.
- Carbide construction for durability: Carbide offers excellent wear resistance and long tool life, helping you maintain accuracy through repeated use and challenging cuts.
In daily shop use, this end mill supports reliable, repeatable performance across milling, slotting, and profiling tasks. Expect clean edges, consistent results, and less downtime due to wear, making it a dependable addition to any workshop or production environment.
Part Numbers
- Protool Part Number
- OSG-404-1772
- 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-404-1772. 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 Viewing | 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 | 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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