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

OSG Variable Lead Optimal Flute Shape Endmill Square Edge - Weldon Shank - For Smooth Evacuation of Chips - 6mm
| Cutter Diameter | 6 |
| Number of Flutes | 5 |
| Flute Length | 13 |
| Overall Length | 57 |
Learn more about Klarna
Description
The OSG Variable Lead Optimal Flute Shape Endmill with a square-edge design and a Weldon shank is engineered for efficient chip evacuation during milling. At 6 mm diameter, this endmill combines a variable lead with an optimized flute geometry to keep chips moving away from the cut, helping reduce chip jamming and improve overall machining efficiency.
This endmill is an excellent choice for machinists seeking reliable and high-performance results while prioritizing efficient chip management across a wide range of applications.
- Variable Lead Geometry: Promotes smooth, unobstructed chip flow and consistent cutting action, reducing the risk of chip buildup and improving material removal efficiency.
- Optimized Flute Shape with Square Edge: Delivers stable cutting and clean finishes by maintaining efficient chip clearance and precise engagement across cuts.
- Weldon Shank for Secure Fit: Provides reliable tool retention in standard holders, minimizes runout, and supports repeatable performance across setups.
By integrating this endmill into your milling workflow, you’ll experience clearer chip evacuation, fewer tool stalls, and more consistent results—from roughing to finishing. The robust Weldon shank and precise geometry help maintain stable performance under demanding operations, enabling faster cycle times and reduced rework across a wide range of materials and applications.
Part Numbers
- Protool Part Number
- OSG-EP01940699
- 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 Variable Lead Optimal Flute Shape Endmill Square Edge - Weldon Shank - For Smooth Evacuation of Chips
View full collection →You are viewing OSG-EP01940699. Click any other SKU to view its full details.
| Product SKU | Cutter Diameter | Number of Flutes | Flute Length | Overall Length | Shank Diameter | Reach | Neck Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|---|
| OSG-EP01940699 Viewing | 6 | 5 | 13 | 57 | 6 | 20 | 5.8 | £55.55 | 1-2 days | |
| OSG-EP01940899 | 8 | 5 | 19 | 63 | 8 | 25 | 7.8 | £59.86 | 1-2 days | |
| OSG-EP01941099 | 10 | 5 | 22 | 72 | 10 | 30 | 9.8 | £80.89 | 1-2 days | |
| OSG-EP01941299 | 12 | 5 | 26 | 83 | 12 | 38 | 11.8 | £103.05 | 1-2 days | |
| OSG-EP01941699 | 16 | 5 | 32 | 92 | 16 | 44 | 15.8 | £194.53 | 1-2 days | |
| OSG-EP01942099 | 20 | 5 | 38 | 104 | 20 | 54 | 19.8 | £300.02 | 1-2 days |
No products match your filters.


