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Widin Carbide Corner Radius End Mill For Stainless & Exotics - 4 Flute VariableHelix - 12mm x R0.5
| Cutter Diameter | 12 |
| Number of Flutes | 4 |
| Flute Length | 30 |
| Overall Length | 80 |
Learn more about Klarna
Description
The Widin Carbide Corner Radius End Mill for Stainless & Exotics is a precision carbide cutting tool designed for demanding metals. With a 12 mm diameter and a 0.5 mm corner radius, this end mill combines a 4-flute geometry and a variable helix to deliver reliable cutting performance on stainless steels and exotic alloys. It’s built for professionals and serious hobbyists who need clean contours, dependable durability, and predictable results in tough materials.
- Corner Radius for Precise Contouring: The 0.5 mm corner radius enables accurate, repeatable contouring and smooth radii in tight corners, while helping to minimize chipping or edge fracture for superior edge quality.
- 4-Flute Design with Variable Helix: This geometry provides strong surface stability and efficient chip evacuation, reducing vibration and delivering smoother cuts and consistent finishes on hard-to-machine metals.
- Solid Carbide Construction: Premium carbide offers exceptional wear resistance and longevity, maintaining sharpness and reducing tool downtime for extended tool life in stainless and exotic materials.
Together, these features translate to faster, more reliable milling with better surface finishes, fewer tool changes, and confidence that the tool will hold up under demanding applications. Whether you’re contouring complex pockets or finishing precise edges, this end mill is built to deliver consistent, high-quality results from start to finish.
Part Numbers
- Protool Part Number
- SR50412005
- 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 SR50412005. 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 | 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 Viewing | 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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