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


08UIR/L11UNBXC - Carmex Thread Turning Internal Insert - UN (UNC,UNF,UNEF,UNS) - Neutral
| Thread Type | Internal |
| Thread Direction | Neutral |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch | 11 |
Learn more about Klarna
Description
The Carmex Thread Turning Internal Insert – UN (UNC, UNF, UNEF, UNS) is a precision tool crafted for internal threading tasks. Its compact, laydown triangular geometry is designed to form clean, accurate threads inside bores, making it a reliable choice for engineers, machinists, and hobbyists who need consistent results without swapping between multiple tools.
- Broad UNC/UN compatibility: Supports UNC, UNF, UNEF, and UNS thread standards, allowing you to tackle a wide range of internal threads with a single insert and reducing tool-change frequency.
- Laydown triangular geometry for stable cuts: The triangular, laydown design delivers steady engagement and smooth material removal, producing consistent thread quality and minimizing runout.
- Versatile performance for basic to demanding tasks: Optimized to handle a spectrum of threading needs, from simple jobs to more challenging production work, helping you maintain productivity across diverse applications.
This insert provides a dependable solution for internal threading across common UN standards, supporting faster setup, fewer tool changes, and reliable results across multiple projects. Built to meet the needs of a wide audience—from professional shops to DIY enthusiasts—it helps you maintain a smooth workflow and confident, repeatable performance on every bore.
Part Numbers
- Protool Part Number
- 08UIR/L11UNBXC
- 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.

