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11IR12UNK20 - 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 | 12 |
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Description
Carmex Thread Turning Internal Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand - 11IR12UNK20 is part of Carmex’s trusted line of thread turning inserts. These laydown triangular inserts are designed to cover the majority of internal thread standards in use today, making it easier to produce clean, accurate threads across a wide range of jobs. Whether you’re setting up for basic work or tackling more demanding projects, this insert is built to deliver reliable results.
- Broad thread compatibility: Designed to cover UNC, UNF, UNEF, and UNS internal thread standards with a single laydown triangular insert, reducing tool changes and simplifying your tooling inventory.
- Stable laydown triangular geometry: The triangular, laydown design provides steady cutting action, efficient chip control, and consistent thread formation across a variety of materials.
- Reliable right-hand internal threading: Optimized geometry for right-hand threads delivers dependable, repeatable results on standard workpieces, helping you finish tasks faster with fewer reworks.
This insert supports a streamlined workflow by enabling versatile internal threading in a single toolpath, enhancing precision, reducing downtime, and helping you maintain steady production across multiple thread forms. Its robust design and predictable performance give operators confidence for both routine maintenance and high‑demand manufacturing tasks.
Part Numbers
- Protool Part Number
- 11IR12UNK20
- 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.
