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16IR11UNK20 - 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 | 11 |
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Description
Carmex Thread Turning Internal Insert – UN (UNC, UNF, UNEF, UNS) – Right Hand – 16IR11UNK20 is a versatile, high-precision internal threading insert designed to form accurate threads across a broad range of standard sizes. Part of Carmex’s globally recognized line of thread turning solutions, this laydown triangular insert is crafted to cover the majority of contemporary thread standards in a single, ready-to-use tool.
Suitable for a wide variety of applications, from simple prototypes to demanding production runs, this right-hand insert delivers dependable performance, consistent thread profiles, and streamlined setup. Its design supports efficient cutting and reliable results across multiple materials and thread configurations.
- Broad UNC/UNF/UNEF/UNS compatibility: Cuts internal threads across the most common US thread standards, reducing the need for multiple inserts and simplifying tool selection and inventory.
- Triangular laydown geometry for stable cutting: The laydown triangle provides even cutting forces, enhances chip control, and produces clean, repeatable thread profiles with reduced chatter.
- Right-hand orientation for quick integration: Specifically configured for right-hand internal threading, ensuring seamless compatibility with standard tooling and consistent results across applications.
Using this insert helps streamline your internal threading workflow by minimizing tool changes, shortening setup times, and delivering reliable, repeatable thread quality from part to part. Built on Carmex’s manufacturing standards, it offers long tool life and dependable performance for engineers, machinists, and maintenance technicians working on a wide range of projects.
Part Numbers
- Protool Part Number
- 16IR11UNK20
- 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.
