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Widin Carbide Corner Radius End Mill For Stainless & Exotics - 4 Flute VariableHelix - 8mm x R1.0
| Cutter Diameter | 8 |
| Number of Flutes | 4 |
| Flute Length | 20 |
| Overall Length | 70 |
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Description
The Widin Carbide Corner Radius End Mill for Stainless & Exotics is a precision milling tool built for demanding materials. This 8 mm diameter cutter features a 1.0 mm corner radius, a 4-flute design, and a variable helix to enhance chip evacuation and stability during cutting.
Designed for stainless steel and other exotic alloys, it delivers reliable performance in contouring and profiling tasks while helping prevent chipping or fracturing at corners. The carbide construction provides enduring wear resistance, supporting long tool life and consistent results across challenging applications.
- 4-Flute design for efficient chip evacuation: The extra flutes help move chips away quickly, reducing heat buildup and clogging for smoother cuts in stainless and exotic materials.
- Variable helix for stable cutting: A variable spiral reduces vibration and chatter, delivering more predictable feeds and finishes even in tough alloys.
- Corner radius for precise contours and durable finishes: The 1.0 mm radius enables accurate profiling while minimizing edge chipping and improving surface quality on complex geometries.
This end mill is a reliable choice for professionals and enthusiasts alike, helping you achieve cleaner contours, longer tool life, and greater confidence in precision milling environments.
Part Numbers
- Protool Part Number
- SR50408010
- Brand
- Widin
- 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: Widin Carbide Corner Radius End Mill For Stainless & Exotics - 4 Flute Variable Helix (SR504)
View full collection →You are viewing SR50408010. Click any other SKU to view its full details.
| Product SKU | Cutter Diameter | Number of Flutes | Flute Length | Overall Length | Shank Diameter | Corner Radius | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| SR50401001 | 1 | 4 | 2.5 | 50 | 6 | 0.1 | £36.03 | 5 days | |
| SR50401002 | 1 | 4 | 2.5 | 50 | 6 | 0.2 | £36.03 | 5 days | |
| SR50401201 | 1.2 | 4 | 3 | 50 | 6 | 0.1 | £36.03 | 5 days | |
| SR50401501 | 1.5 | 4 | 4 | 50 | 6 | 0.1 | £36.03 | 5 days | |
| SR50401502 | 1.5 | 4 | 4 | 50 | 6 | 0.2 | £36.03 | 5 days | |
| SR50402001 | 2 | 4 | 6 | 50 | 6 | 0.1 | £36.03 | 5 days | |
| SR50402002 | 2 | 4 | 6 | 50 | 6 | 0.2 | £36.03 | 5 days | |
| SR50402502 | 2.5 | 4 | 7 | 50 | 6 | 0.2 | £36.03 | 5 days | |
| SR50403002 | 3 | 4 | 8 | 55 | 6 | 0.2 | £37.40 | 5 days | |
| SR50403003 | 3 | 4 | 8 | 55 | 6 | 0.3 | £37.40 | 5 days | |
| SR50403005 | 3 | 4 | 8 | 55 | 6 | 0.5 | £37.40 | 5 days | |
| SR50404002 | 4 | 4 | 10 | 55 | 6 | 0.2 | £37.40 | 5 days | |
| SR50404003 | 4 | 4 | 10 | 55 | 6 | 0.3 | £37.40 | 5 days | |
| SR50404005 | 4 | 4 | 10 | 55 | 6 | 0.5 | £37.40 | 5 days | |
| SR50405002 | 5 | 4 | 15 | 55 | 6 | 0.2 | £37.40 | 5 days | |
| SR50405003 | 5 | 4 | 15 | 55 | 6 | 0.3 | £37.40 | 5 days | |
| SR50405005 | 5 | 4 | 15 | 55 | 6 | 0.5 | £37.40 | 5 days | |
| SR50406003 | 6 | 4 | 15 | 60 | 6 | 0.3 | £37.40 | 5 days | |
| SR50406005 | 6 | 4 | 15 | 60 | 6 | 0.5 | £37.40 | 5 days | |
| SR50406010 | 6 | 4 | 15 | 60 | 8 | 1 | £37.40 | 5 days | |
| SR50408003 | 8 | 4 | 20 | 70 | 8 | 0.3 | £50.60 | 5 days | |
| SR50408005 | 8 | 4 | 20 | 70 | 8 | 0.5 | £50.60 | 5 days | |
| SR50408010 Viewing | 8 | 4 | 20 | 70 | 10 | 1 | £50.60 | 5 days | |
| SR50410005 | 10 | 4 | 25 | 75 | 10 | 0.5 | £71.50 | 5 days | |
| SR50410010 | 10 | 4 | 25 | 75 | 10 | 1 | £71.50 | 5 days | |
| SR50410015 | 10 | 4 | 25 | 75 | 10 | 1.5 | £71.50 | 5 days | |
| SR50410020 | 10 | 4 | 25 | 75 | 12 | 2 | £71.50 | 5 days | |
| SR50410003 | 10 | 4 | 25 | 75 | 10 | 0.3 | £71.50 | 5 days | |
| SR50412005 | 12 | 4 | 30 | 80 | 12 | 0.5 | £103.93 | 5 days | |
| SR50412010 | 12 | 4 | 30 | 80 | 12 | 1 | £103.93 | 5 days | |
| SR50412015 | 12 | 4 | 30 | 80 | 12 | 1.5 | £103.93 | 5 days | |
| SR50412020 | 12 | 4 | 30 | 80 | 12 | 2 | £103.93 | 5 days | |
| SR50412030 | 12 | 4 | 30 | 80 | 12 | 3 | £103.93 | 5 days | |
| SR50412040 | 12 | 4 | 30 | 80 | 16 | 4 | £103.93 | 5 days | |
| SR50414005 | 14 | 4 | 35 | 90 | 16 | 0.5 | £309.13 | 5 days | |
| SR50414010 | 14 | 4 | 35 | 90 | 16 | 1 | £309.13 | 5 days | |
| SR50416005 | 16 | 4 | 42 | 100 | 16 | 0.5 | £321.55 | In Stock | |
| SR50416010 | 16 | 4 | 42 | 100 | 16 | 1 | £321.55 | 5 days | |
| SR50418005 | 18 | 4 | 45 | 100 | 16 | 0.5 | £406.88 | 5 days | |
| SR50420005 | 20 | 4 | 48 | 100 | 20 | 0.5 | £493.75 | 5 days | |
| SR50420010 | 20 | 4 | 48 | 100 | 20 | 1 | £493.75 | 5 days |
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