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

Carmex Vertical Milling CMT Multi Flute Insert - Threading - S170FG55MT8
| Application | Threading |
| Thread Form | Partial (55° Degree) |
| Internal or External | Internal & External |
| Insert Diameter | 17 |
| Pitch | 11-8 |
| Number of Flutes | 6 |
Learn more about Klarna
The Carmex Vertical Milling CMT Multi Flute Insert - Threading - S170FG55MT8 is a vertical milling indexable insert designed to handle threading, grooves, chamfers, and more. It’s part of the CMT Vertical Mill-Thread family, offering ground-profile inserts for high precision and reliable performance in demanding machining. The system is built for high machining parameters and delivers a smooth, consistent finish, with solid clamping that ensures repeatable results. Chamfer inserts are also available to expand capabilities, and toolholders include a Weldon shank and coolant bore for practical setup and operation.
- Ground-profile inserts for high precision: Delivers accurate, repeatable threading and milling results with tight tolerances across multiple operations.
- High-parameter performance with excellent surface finish: Enables faster cutting and better surface quality, reducing secondary finishing work and increasing throughput.
- Universal threading with robust clamping and versatile toolholders: One insert works for right- or left-hand threads, and is paired with solid clamping and coolant-bore toolholders for reliable, easy setups. Chamfer inserts are available to broaden applications.
This solution helps your shop streamline threading, grooves, and chamfers with consistent quality, improving workflow and reducing setup time. The universal RH/LH capability and strong clamping support quick tool changes, while the integrated coolant bore and Weldon-shank compatibility enhance reliability and production uptime.
| Application | Threading |
| Thread Form | Partial (55° Degree) |
| Internal or External | Internal & External |
| Insert Diameter | 17 |
| Pitch | 11-8 |
| Number of Flutes | 6 |
| 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 - Partial Profile 55° BSP/BSF/BSW
View full collection →You are viewing S170FG55MT8. Click any other SKU to view its full details.
| Product SKU | Insert Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| S170FG55MT8 Viewing | 17 | 11-8 | £41.32 | 5 days | |
| S195FG55MT8 | 19.5 | 14 | £41.54 | 5 days | |
| S200DN55MT8 | 20 | 18-6 | £41.54 | In Stock |
No products match your filters.


