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OSG Variable Lead Optimal Flute Shape Endmill Corner Radius - Weldon Shank - For Smooth Evacuation of Chips - 8mm x R1.5
| Cutter Diameter | 8 |
| Number of Flutes | 5 |
| Flute Length | 19 |
| Overall Length | 63 |
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Description
The OSG Variable Lead Optimal Flute Shape Endmill with a corner radius and Weldon shank is a precision cutting tool designed to improve chip evacuation and maintain steady cutting during a wide range of milling operations.
At 8 mm in diameter with a 1.5 mm corner radius (R1.5), this endmill delivers consistent chip clearance and durable edge performance. The Weldon shank ensures secure mounting and low runout, making it suitable for both production environments and detailed craftsmanship.
- Variable Lead Design: The variable lead geometry promotes smooth chip flow and reduces the risk of chip jamming, helping you maintain steady feeds, improve surface finishes, and minimize downtime during runs.
- Optimal Flute Shape with Corner Radius: Flute geometry paired with the R1.5 corner radius balances cutting efficiency and edge strength, delivering cleaner corners, fewer burrs, and longer tool life across diverse materials.
- Weldon Shank for Secure Clamping: Robust Weldon shank design ensures secure seating in standard toolholders, reducing runout and vibration for reliable performance at higher speeds.
This endmill is a dependable choice for professionals seeking consistent results, efficient chip management, and a versatile tool that supports smooth workflows and high-quality finishes across a broad array of machining tasks.
Part Numbers
- Protool Part Number
- OSG-EP01940803
- 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 Corner Radius - Weldon Shank - For Smooth Evacuation of Chips
View full collection →You are viewing OSG-EP01940803. 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-EP01940600 | 6 | 5 | 13 | 57 | 6 | 20 | 5.8 | £55.55 | 1-2 days | |
| OSG-EP01940601 | 6 | 5 | 13 | 57 | 6 | 20 | 5.8 | £55.55 | 1-2 days | |
| OSG-EP01940602 | 6 | 5 | 13 | 57 | 6 | 20 | 5.8 | £55.55 | 1-2 days | |
| OSG-EP01940800 | 8 | 5 | 19 | 63 | 8 | 25 | 7.8 | £59.86 | 1-2 days | |
| OSG-EP01940801 | 8 | 5 | 19 | 63 | 8 | 25 | 7.8 | £59.86 | 1-2 days | |
| OSG-EP01940802 | 8 | 5 | 19 | 63 | 8 | 25 | 7.8 | £59.86 | 1-2 days | |
| OSG-EP01940803 Viewing | 8 | 5 | 19 | 63 | 8 | 25 | 7.8 | £59.86 | 1-2 days | |
| OSG-EP01941000 | 10 | 5 | 22 | 72 | 10 | 30 | 9.8 | £80.89 | 1-2 days | |
| OSG-EP01941001 | 10 | 5 | 22 | 72 | 10 | 30 | 9.8 | £80.89 | 1-2 days | |
| OSG-EP01941002 | 10 | 5 | 22 | 72 | 10 | 30 | 9.8 | £80.89 | 1-2 days | |
| OSG-EP01941003 | 10 | 5 | 22 | 72 | 10 | 30 | 9.8 | £80.89 | 1-2 days | |
| OSG-EP01941004 | 10 | 5 | 22 | 72 | 10 | 30 | 9.8 | £80.89 | 1-2 days | |
| OSG-EP01941006 | 10 | 5 | 22 | 72 | 10 | 30 | 9.8 | £80.89 | 1-2 days | |
| OSG-EP01941200 | 12 | 5 | 26 | 83 | 12 | 38 | 11.8 | £103.05 | 1-2 days | |
| OSG-EP01941201 | 12 | 5 | 26 | 83 | 12 | 38 | 11.8 | £103.05 | 1-2 days | |
| OSG-EP01941202 | 12 | 5 | 26 | 83 | 12 | 38 | 11.8 | £103.05 | 1-2 days | |
| OSG-EP01941204 | 12 | 5 | 26 | 83 | 12 | 38 | 11.8 | £103.05 | 1-2 days | |
| OSG-EP01941206 | 12 | 5 | 26 | 83 | 12 | 38 | 11.8 | £103.05 | 1-2 days | |
| OSG-EP01941207 | 12 | 5 | 26 | 83 | 12 | 38 | 11.8 | £103.05 | 1-2 days | |
| OSG-EP01941600 | 16 | 5 | 32 | 92 | 16 | 44 | 15.8 | £194.53 | 1-2 days | |
| OSG-EP01941601 | 16 | 5 | 32 | 92 | 16 | 44 | 15.8 | £194.53 | 1-2 days | |
| OSG-EP01941602 | 16 | 5 | 32 | 92 | 16 | 44 | 15.8 | £194.53 | 1-2 days | |
| OSG-EP01941604 | 16 | 5 | 32 | 92 | 16 | 44 | 15.8 | £194.53 | 1-2 days | |
| OSG-EP01941606 | 16 | 5 | 32 | 92 | 16 | 44 | 15.8 | £194.53 | 1-2 days | |
| OSG-EP01941607 | 16 | 5 | 32 | 92 | 16 | 44 | 15.8 | £194.53 | 1-2 days | |
| OSG-EP01942000 | 20 | 5 | 38 | 104 | 20 | 54 | 19.8 | £300.02 | 1-2 days | |
| OSG-EP01942001 | 20 | 5 | 38 | 104 | 20 | 54 | 19.8 | £300.02 | 1-2 days | |
| OSG-EP01942002 | 20 | 5 | 38 | 104 | 20 | 54 | 19.8 | £300.02 | 1-2 days | |
| OSG-EP01942004 | 20 | 5 | 38 | 104 | 20 | 54 | 19.8 | £300.02 | 1-2 days | |
| OSG-EP01942006 | 20 | 5 | 38 | 104 | 20 | 54 | 19.8 | £300.02 | 1-2 days | |
| OSG-EP01942007 | 20 | 5 | 38 | 104 | 20 | 54 | 19.8 | £300.02 | 1-2 days |
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