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11IR18UNBLU - Carmex Thread Turning Internal Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch | 18 |
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The ones our customers buy most.Description
Introducing the Carmex Thread Turning Internal Insert (Model 11IR18UNBLU) for right-hand UNC/UNF/UNEF/UNS threads. This laydown triangular insert is part of our industry-leading range of thread turning inserts, engineered to cover the most common thread standards in use today with dependable performance.
Designed for a wide range of applications—from simple threading tasks to more demanding work—this insert delivers consistent results and predictable performance in busy workshops and production environments.
- Broad thread compatibility: Works across UNC, UNF, UNEF, and UNS right-hand thread standards, reducing tool changes and inventory while keeping your workflow smooth.
- Durable, multi-edge geometry: Triangular laydown insert with multiple cutting edges for longer tool life and stable finishes on every pass.
- Versatile for basic to demanding tasks: A single insert handles a wide range of threading needs, enabling you to tackle more jobs with fewer tool changes and reliable results.
This insert helps streamline threading work, shorten setup times, and deliver reliable, repeatable thread quality across projects—ideal for professionals who value efficiency, predictability, and reduced downtime.
Part Numbers
- Protool Part Number
- 11IR18UNBLU
- 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.



