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

OSG Carbide 4 Flute End Mill Square - Extra Long Length Centre Cutting For General Applications - 12mm

SKU:OSG-484-4724

The OSG Carbide 4 Flute End Mill Square, Extra-Long Length, Center-Cutting (12mm) is a versatile tool designed for general machining tasks. Its square end and four-flute geometry deliver clean, a... Read more ↓
P
M
K
N
S
H
Cutter Diameter12
Number of Flutes4
Flute Length76
Overall Length153
View all specifications ↓
Download Cutting Data
£155.88
Prices shown ex. VAT
In Stock— only 8 left
View Other Sizes →
Free delivery over £50 ex VAT
Secure checkout
14-day returns
30+ years expertise
Klarna
Pay in 3 interest-free instalments. No extra cost if paid on time. 18+ only.
Learn more about Klarna
Speak to our team
01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Description

The OSG Carbide 4 Flute End Mill Square, Extra-Long Length, Center-Cutting (12mm) is a versatile tool designed for general machining tasks. Its square end and four-flute geometry deliver clean, accurate milling, slotting, and profiling across a wide range of materials.

The extended reach of this end mill lets you access deep pockets, long slots, and other hard-to-reach features without sacrificing cutting efficiency or rigidity. Built for professional shops and hobby setups alike, it provides dependable, high-quality results in everyday applications.

  • Extra-Long Reach: Access deep pockets, long slots, and hard-to-reach features without repositioning the workpiece, while preserving rigidity and consistent cut quality.
  • Four-Flute Center-Cutting Design: Efficient material removal with smooth entry and reliable plunging for milling, slotting, and profiling tasks.
  • Durable Carbide for Long Tool Life: High-grade carbide delivers wear resistance and reliable performance, reducing tool changes and improving overall productivity.

This end mill helps you streamline workflows, adapt to challenging geometries, and achieve repeatable results across a broad range of general machining tasks. The combination of extended reach, versatile center-cutting geometry, and robust carbide construction supports steady performance from roughing through finishing, giving you confidence on every job.

Part Numbers

Protool Part Number
OSG-484-4724
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.

Ask our technical team about this tool

Not sure if this is the right tool for your job? Ask us about speeds and feeds, material suitability, holders or alternatives — 30+ years of machining experience on the other end.

Prefer to talk? Call 01732 887334 — Mon–Thurs 8:30–17:30, Fri 8:30–16:30.

Full Range: OSG Carbide 4 Flute End Mill Square - Extra Long Length Centre Cutting For General Applications

View full collection →

You are viewing OSG-484-4724. Click any other SKU to view its full details.

Product SKUCutter DiameterNumber of FlutesFlute LengthOverall LengthShank DiameterPriceStock Order
OSG-484-1181 3425763£26.76 In Stock
OSG-484-1575 4428764£28.88 In Stock
OSG-484-1968 5432765£31.46 In Stock
OSG-484-2362 64381026£41.99 In Stock
OSG-484-3150 84421028£53.30 In Stock
OSG-484-3937 1044510210£69.07 In Stock
OSG-484-4724 Viewing1247615312£155.88 In Stock
OSG-484-5512 1447615314£212.50 In Stock
OSG-484-6299 1647615316£309.37 In Stock
OSG-484-7087 1847615318£355.82 In Stock
OSG-484-7874 2047615320£384.75 In Stock
OSG-484-9843 2547615325£696.81 In Stock

Other sizes in this range

with tools we think you'll like
All 12 →