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OSG Carbide 4 Flute End Mill Square - Regular Length Centre Cutting For General Applications - 1mm
| Cutter Diameter | 1 |
| Number of Flutes | 4 |
| Flute Length | 3 |
| Overall Length | 39 |
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Description
The OSG Carbide 4 Flute End Mill Square is a regular-length, center-cutting carbide end mill designed for general machining tasks. With four flutes, it delivers efficient material removal and precise profiling for milling, slotting, and contouring on a wide range of workpieces.
Ideal for engineers, machinists, hobbyists, and production shops, this end mill offers dependable performance where accuracy and durability matter in everyday projects.
- Four-flute geometry: Promotes efficient material removal and clean edge quality for milling, slotting, and profiling, helping you finish faster with consistent results.
- Regular-length, center-cutting: Versatile for general machining, including plunging and contouring, reducing setup changes and expanding the range of tasks a single tool can handle.
- Carbide construction for durability: Hardened carbide resists wear, maintains sharpness, and delivers long tool life for reliable performance across demanding jobs.
This end mill supports a smooth, repeatable workflow from start to finish. It helps you achieve accurate, consistent cuts, reduces tool changes, and delivers dependable results across milling, slotting, and profiling tasks—making it a trustworthy choice for both professional shops and dedicated hobbyists.
Part Numbers
- Protool Part Number
- OSG-404-0394
- 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-404-0394. 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 Viewing | 1 | 4 | 3 | 39 | 3 | £17.02 | In Stock | |
| OSG-404-0591 | 1.5 | 4 | 5 | 39 | 3 | £10.98 | In Stock | |
| OSG-404-0787 | 2 | 4 | 7 | 39 | 3 | £12.08 | In Stock | |
| OSG-404-0984 | 2.5 | 4 | 8 | 39 | 3 | £10.98 | In Stock | |
| OSG-404-1181 | 3 | 4 | 10 | 39 | 3 | £11.00 | In Stock | |
| OSG-404-1378 | 3.5 | 4 | 12 | 51 | 4 | £15.13 | In Stock | |
| OSG-404-1575 | 4 | 4 | 14 | 51 | 4 | £15.82 | In Stock | |
| OSG-404-1772 | 4.5 | 4 | 14 | 51 | 5 | £16.77 | In Stock | |
| OSG-404-1968 | 5 | 4 | 16 | 51 | 5 | £16.79 | In Stock | |
| OSG-404-2362 | 6 | 4 | 19 | 64 | 6 | £20.04 | In Stock | |
| OSG-404-2756 | 7 | 4 | 19 | 64 | 8 | £23.89 | In Stock | |
| OSG-404-3150 | 8 | 4 | 21 | 64 | 8 | £23.27 | In Stock | |
| OSG-404-3543 | 9 | 4 | 22 | 70 | 10 | £26.75 | In Stock | |
| OSG-404-3937 | 10 | 4 | 25 | 70 | 10 | £31.36 | In Stock | |
| OSG-404-4331 | 11 | 4 | 25 | 70 | 11 | £43.03 | In Stock | |
| OSG-404-4724 | 12 | 4 | 25 | 76 | 12 | £51.63 | In Stock | |
| OSG-404-5512 | 14 | 4 | 30 | 89 | 14 | £72.51 | In Stock | |
| OSG-404-6299 | 16 | 4 | 32 | 89 | 16 | £99.31 | In Stock | |
| OSG-404-7087 | 18 | 4 | 35 | 102 | 18 | £128.00 | In Stock | |
| OSG-404-7874 | 20 | 4 | 38 | 102 | 20 | £145.51 | In Stock | |
| OSG-404-8661 | 22 | 4 | 38 | 102 | 22 | £247.54 | In Stock | |
| OSG-404-9843 | 25 | 4 | 38 | 102 | 25 | £269.46 | In Stock |
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