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Carmex Vertical Milling CMT Multi Flute Insert - Threading - S186F12UNMT8
| Application | Threading |
| Thread Form | UN |
| Internal or External | Internal |
| Insert Diameter | 18.6 |
| Pitch | 12 |
| Number of Flutes | 6 |
Learn more about Klarna
Carmex Vertical Milling CMT Multi Flute Insert – Threading (S186F12UNMT8) is a versatile vertical milling system designed to tackle threads, grooves, chamfers, and more with consistent precision. It’s ideal for engineers, machinists, and shops that demand reliable performance, pairing precision inserts with robust toolholders to cover a wide range of milling tasks.
This system uses ground-profile inserts to deliver high precision and excellent surface quality, even at demanding machining parameters. It features a solid, accurate clamping method for full repeatability and, uniquely, the same insert can handle both right- and left-hand threads. Chamfer inserts are also available to extend its workflow.
- Ground-profile, high-precision inserts: Ground profile delivers tight tolerances and smooth surface quality for threading and finishing at higher cutting parameters.
- One insert for right- and left-hand threads: Reduces tool inventory and simplifies changeovers, speeding setups without sacrificing performance.
- Rugged toolholders with weldon shank and coolant bore: Secure mounting, effective cooling, and repeatable results across a range of materials and applications.
Together, this vertical milling system helps you complete threading, grooves, and chamfers with reliable, repeatable results. The precise inserts, universal threading capability, and durable toolholders support smoother workflows, reduced setup time, and consistent part quality across a range of materials and applications.
| Application | Threading |
| Thread Form | UN |
| Internal or External | Internal |
| Insert Diameter | 18.6 |
| Pitch | 12 |
| 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 Unified
View full collection →You are viewing S186F12UNMT8. Click any other SKU to view its full details.
| Product SKU | Insert Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| S150F10UNMT8 | 15 | 10 | £54.48 | 5 days | |
| S160H24UNMT8 | 16 | 24 | £54.52 | 5 days | |
| S164F16UNMT8 | 16.4 | 26 | £54.48 | 5 days | |
| S169H20UNMT8 | 16.9 | 20 | £54.52 | 5 days | |
| S178F9UNMT8 | 17.8 | 9 | £54.48 | 5 days | |
| S186F12UNMT8 Viewing | 18.6 | 12 | £54.48 | 5 days | |
| S191F14UNMT8 | 19.1 | 14 | £54.48 | 5 days | |
| S200D5UNMT8 | 20 | 5 | £54.48 | 5 days | |
| S200E6UNMT8 | 20 | 6 | £54.48 | 5 days | |
| S200F7UNMT8 | 20 | 7 | £54.48 | 5 days | |
| S200F8UNMT8 | 20 | 8 | £54.48 | 5 days | |
| S350F4UNMT8 | 35 | 4 | £99.40 | 5 days | |
| S350F8UNMT8 | 35 | 8 | £99.96 | 5 days |
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