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Widin Carbide Corner Radius End Mill For Stainless & Exotics - 4 Flute VariableHelix - 5mm x R0.5
| Cutter Diameter | 5 |
| Number of Flutes | 4 |
| Flute Length | 15 |
| Overall Length | 55 |
Learn more about Klarna
Description
Widin Carbide Corner Radius End Mill is a precision cutting tool designed for stainless steels and exotic alloys. With a 5 mm cutting diameter, four flutes, and a 0.5 mm corner radius, this end mill delivers clean contours and smooth finishes on challenging materials. The variable-helix design enhances chip evacuation and adds stability during cutting, helping you maintain accuracy and control across a range of milling tasks.
Engineers, machinists, fabricators, hobbyists, and buyers will appreciate its durability and consistency. Crafted from carbide, it resists wear and heat, providing extended tool life even in tough materials, so you spend less time changing tools and more time finishing parts.
- 4-flute design with variable helix: Delivers efficient chip evacuation and stable cutting, reducing heat and vibration for smoother, more accurate milling on stainless and exotic materials.
- 0.5 mm corner radius for precise contours: Enables accurate edge shaping and reduces the risk of chipping or fracturing, delivering consistent surface finishes on complex geometries.
- Carbide construction for long tool life: Hardened carbide resists wear and heat, maintaining sharpness and extending service life in demanding milling applications.
By combining these features, the end mill helps you achieve precise geometry, smooth surface finishes, and longer intervals between tool changes. It supports efficient production workflows, reduces downtime, and delivers reliable results when milling stainless steel and exotic alloys across a range of applications from deburring and pocketing to contouring and finish passes.
Part Numbers
- Protool Part Number
- SR50405005
- 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 SR50405005. 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 Viewing | 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 | 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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