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

Carmex Vertical Milling CMT Multi Flute Insert - Corner Rounding - S170ECR10MT8
| Application | Corner Rounding |
| Internal or External | Internal & External |
| Insert Diameter | 17 |
| Radius | 1 |
| Number of Flutes | 5 |
| Holder Code | H3 3.1 4 5 18 19 20 |
Learn more about Klarna
The Carmex Vertical Milling CMT Multi Flute Insert for Corner Rounding (S170ECR10MT8) is a precision, indexable insert designed for vertical milling tasks such as corner rounding, grooves, threads, and chamfers. Built for reliability in demanding production environments, it integrates with Carmex’s CMT Vertical Mill-Thread system to deliver consistent performance from the first pass. The insert is compatible with Weldon-shank toolholders and coolant-bore configurations, and chamfer inserts are available to expand finishing options. It’s suitable for engineers, machinists, and shops that require precise, repeatable results in a compact tooling solution.
- Ground-profile insert for high precision: Ground to tight tolerances for accurate corner rounding, grooves, and chamfers, delivering high surface quality even when machining at higher parameters.
- Robust, repeatable clamping: Solid and accurate clamping method enables full repeatability across multiple parts and setups, reducing drift and rework.
- Universal threading and system compatibility: The same insert works for right-hand or left-hand threads and pairs with Weldon shank toolholders with coolant bore for streamlined setup and versatile applications.
Designed to improve workflow and productivity, this insert supports demanding vertical-milling tasks with dependable performance. Its precise profile, secure clamping, and universal threading capability help you finish parts faster with consistent results, while maintaining tool life and reducing downtime through efficient coolant delivery and straightforward setup.
| Application | Corner Rounding |
| Internal or External | Internal & External |
| Insert Diameter | 17 |
| Radius | 1 |
| Number of Flutes | 5 |
| Holder Code | H3 3.1 4 5 18 19 20 |
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: Carmex CMT Vertical Milling Multi Flute Inserts - Corner Rounding
View full collection →You are viewing S170ECR10MT8. Click any other SKU to view its full details.
| Product SKU | Insert Size | Radius | Price | Stock | Order |
|---|---|---|---|---|---|
| S170ECR10MT8 Viewing | 17 | 1 | £39.68 | 5 days | |
| S170ECR13MT8 | 17 | 1.25 | £39.68 | In Stock | |
| S170ECR15MT8 | 17 | 1.5 | £39.68 | 5 days |
No products match your filters.


