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Carmex Vertical Milling CMT Multi Flute Insert - Threading - S178F2.5ISOMT8
| Application | Threading |
| Thread Form | Metric (ISO) |
| Internal or External | Internal |
| Insert Diameter | 17.8 |
| Pitch | 2.5 |
| Number of Flutes | 6 |
Learn more about Klarna
The Carmex Vertical Milling CMT Multi Flute Insert – Threading (S178F2.5ISOMT8) is a versatile vertical milling insert designed to handle threading, grooves, chamfers and more. When paired with the corresponding tool holders, it provides a compact, all-in-one solution suitable for engineers, buyers, tradespeople, hobbyists, and maintenance teams alike.
Designed for precision and reliable performance, it uses ground-profile inserts to deliver high accuracy and excellent results. The system is built to operate at higher machining parameters while maintaining a high-quality surface finish, and the solid, accurate clamping method ensures full repeatability. The same insert works for right-hand or left-hand threads, helping you streamline setups and reduce tool changes. Toolholders include a Weldon shank and a coolant bore, and chamfer inserts are available to expand its range of applications.
- Ground-profile inserts for precision: Delivers accurate threading, grooves, and chamfers with consistent results and tight tolerances.
- High-parameter performance with smooth finish: Optimized for aggressive cutting while maintaining a high-quality surface finish on the workpiece.
- Toolholding versatility and accessories: Includes Weldon shank and coolant bore in the toolholders, with chamfer inserts available to extend capability and ease of integration.
This combination enables you to tackle multiple operations with a single, reliable insert, improving workflow, reducing setup time, and delivering repeatable results across parts. The Carmex vertical milling solution is designed to support consistent performance in threading, grooves, chamfers, and related applications, helping you achieve dependable outcomes on the job.
| Application | Threading |
| Thread Form | Metric (ISO) |
| Internal or External | Internal |
| Insert Diameter | 17.8 |
| Pitch | 2.5 |
| Number of Flutes | 6 |
| Holder Code | H5.1 5.2 6 7 8 9 21 22 23 |
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 - Full Profile ISO
View full collection →You are viewing S178F2.5ISOMT8. Click any other SKU to view its full details.
| Product SKU | Insert Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| S160F2.5ISOMT8 | 16 | 2.5 | £54.48 | 5 days | |
| S163H1.0ISOMT8 | 16.3 | 1 | £54.48 | 5 days | |
| S175H1.5ISOMT8 | 17.5 | 1.5 | £54.48 | 5 days | |
| S178F2.5ISOMT8 Viewing | 17.8 | 2.5 | £54.48 | 5 days | |
| S186F2.0ISOMT8 | 18.6 | 2 | £54.48 | 5 days | |
| S189F3.0ISOMT8 | 18.9 | 3 | £54.48 | 5 days | |
| S200D5.0ISOMT8 | 20 | 5 | £54.48 | 5 days | |
| S200E4.5ISOMT8 | 20 | 4.5 | £54.48 | 5 days | |
| S200F3.5ISOMT8 | 20 | 3.5 | £54.48 | 5 days | |
| S200F4.0ISOMT8 | 20 | 4 | £54.48 | 5 days | |
| S350F4.5ISOMT8 | 35 | 4.5 | £99.96 | 5 days | |
| S350F6.0ISOMT8 | 35 | 6 | £99.40 | 5 days | |
| S350F8.0ISOMT8 | 35 | 8 | £99.40 | 5 days |
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