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08IL18UNBXC - Carmex Thread Turning Internal Insert - UN (UNC,UNF,UNEF,UNS) - Left Hand
| Thread Type | Internal |
| Thread Direction | Left Hand |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch | 18 |
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Description
The Carmex Thread Turning Internal Insert, Left Hand (model 08IL18UNBXC), is a high-performance cutting insert designed for internal threading across a wide range of materials. It supports UNC, UNF, UNEF, and UNS thread standards, making it a versatile choice for shops that handle multiple projects.
With its laydown triangular geometry, the insert delivers stable cutting and clean thread formation, helping you achieve reliable results from basic to demanding operations.
- Broad UNC/UNF/UNEF/UNS compatibility: Covers the major internal thread standards in one tool, reducing tool changes and simplifying inventory.
- Laydown triangular geometry for stability and finish: Provides rigidity and smooth cutting for cleaner thread profiles, even on challenging materials.
- Left-hand threading capability for versatile operations: Optimized for left-handed threads, enabling efficient production without multiple tool variants.
This insert helps streamline threading work by combining broad standards coverage with stable performance. It reduces downtime from tool changes, delivers consistent thread quality, and supports a wide range of applications, from routine jobs to more demanding projects—ultimately helping you complete work faster with fewer tooling interruptions.
Part Numbers
- Protool Part Number
- 08IL18UNBXC
- Brand
- Carmex
- Category
- Thread Turning
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.

