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


Widin Carbide End Mill For Stainless & Exotics - 4 Flute Variable Helix Square Edge - 4mm
| Cutter Diameter | 4 |
| Number of Flutes | 4 |
| Flute Length | 10 |
| Overall Length | 55 |
Learn more about Klarna
Description
The Widin Carbide End Mill for Stainless & Exotics is a 4-flute cutting tool designed for demanding materials. With a variable helix design and a square-edge profile, it delivers efficient chip evacuation and reduced cutting forces for smoother operation and longer tool life when machining stainless steels and exotic alloys.
- 4-Flute Variable Helix for Efficient Chip Evacuation and Reduced Cutting Forces: The multi-flute geometry mixes with a variable helix to promote steady chip flow, helping maintain consistent feeds and cooler cutting for longer tool life on tough metals.
- Square Edge Profile for Clean, Precise Cuts: The square-edge geometry delivers sharp, accurate corners and smooth slotting, reducing rework and ensuring tight tolerances on critical profiles.
- Wear-Resistant Carbide for Extended Tool Life: Crafted from high-quality carbide, this end mill resists wear in harsh materials, lowering tool changes and boosting productivity in demanding workloads.
Designed for reliability and consistent performance, this end mill supports faster workflows, fewer tool changes, and better results on stainless and exotic materials. Its robust carbide construction, together with optimized geometry, helps you achieve repeatable finishes, smoother cuts, and reduced downtime—whether you’re in a production environment, on a job site, or in a busy workshop.
Part Numbers
- Protool Part Number
- SE504040
- 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 End Mill For Stainless & Exotics - 4 Flute Variable Helix Square Edge (VXE504)
View full collection →You are viewing SE504040. Click any other SKU to view its full details.
| Product SKU | Cutter Diameter | Number of Flutes | Flute Length | Overall Length | Shank Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| SE504012 | 1.2 | 4 | 3 | 50 | 6 | £28.53 | 5 days | |
| SE504010 | 1 | 4 | 2.5 | 50 | 6 | £28.53 | 5 days | |
| SE504020 | 2 | 4 | 6 | 50 | 6 | £28.53 | 5 days | |
| SE504015 | 1.5 | 4 | 4 | 50 | 6 | £28.53 | 5 days | |
| SE504025 | 2.5 | 4 | 7 | 50 | 6 | £28.53 | 5 days | |
| SE504030 | 3 | 4 | 8 | 55 | 6 | £29.88 | 5 days | |
| SE50403010 | 3 | 4 | 10 | 60 | 6 | £30.55 | 5 days | |
| SE504035 | 3.5 | 4 | 10 | 55 | 6 | £29.88 | 5 days | |
| SE504040 Viewing | 4 | 4 | 10 | 55 | 6 | £29.88 | 5 days | |
| SE50404012 | 4 | 4 | 12 | 60 | 6 | £30.55 | 5 days | |
| SE504045 | 4.5 | 4 | 12 | 55 | 6 | £29.88 | 5 days | |
| SE504050 | 5 | 4 | 15 | 55 | 6 | £29.88 | 5 days | |
| SE504055 | 5.5 | 4 | 15 | 60 | 6 | £30.55 | 5 days | |
| SE504060 | 6 | 4 | 15 | 60 | 6 | £30.55 | 5 days | |
| SE50406020 | 6 | 4 | 20 | 65 | 6 | £31.13 | 5 days | |
| SE504065 | 6.5 | 4 | 15 | 60 | 8 | £42.18 | 5 days | |
| SE504070 | 7 | 4 | 20 | 80 | 8 | £44.10 | 5 days | |
| SE50408025 | 8 | 4 | 25 | 70 | 8 | £42.18 | 5 days | |
| SE504080 | 8 | 4 | 20 | 70 | 8 | £42.18 | 5 days | |
| SE504085 | 8.5 | 4 | 20 | 70 | 10 | £59.63 | 5 days | |
| SE50408030 | 8 | 4 | 30 | 80 | 8 | £44.10 | 5 days | |
| SE504090 | 9 | 4 | 25 | 80 | 10 | £61.98 | 5 days | |
| SE504100 | 10 | 4 | 25 | 75 | 10 | £59.63 | 5 days | |
| SE50410035 | 10 | 4 | 35 | 85 | 10 | £61.98 | 5 days | |
| SE504120 | 12 | 4 | 30 | 80 | 12 | £86.53 | 5 days | |
| SE50412040 | 12 | 4 | 40 | 90 | 12 | £89.93 | In Stock | |
| SE504160 | 16 | 4 | 42 | 100 | 16 | £292.33 | 5 days | |
| SE504180 | 18 | 4 | 45 | 100 | 16 | £370.08 | 5 days | |
| SE504140 | 14 | 4 | 35 | 90 | 16 | £280.85 | 5 days | |
| SE504200 | 20 | 4 | 48 | 100 | 20 | £448.75 | 5 days |
No products match your filters.