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11IR11UNK20 - 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
Our industry-leading Carmex Thread Turning Internal Insert is a precision laydown triangular insert designed for internal thread turning on UN standards (UNC, UNF, UNEF, UNS) with right-hand threading; model 11IR11UNK20. This versatile insert covers a wide range of thread requirements—from basic to demanding applications—and is built to deliver dependable results in production and service work.
- Universal UN-thread compatibility: Covers UNC, UNF, UNEF, and UNS internal threads, enabling a single insert to handle multiple standards and reduce tool changes.
- Laydown triangular geometry for stable, clean cuts: The triangular laydown design promotes consistent chip control and reliable thread profiles across different materials and tasks.
- One insert, many applications: Suitable for a broad range of threading tasks—from routine jobs to demanding calls—reducing inventory and simplifying procurement while maintaining dependable performance.
This insert helps you streamline threading work, cut setup time, and achieve consistent internal threads across UN standards. Its reliable geometry and proven performance translate to fewer reworks and higher first-pass yields, making it a smart choice for shops, maintenance teams, and production environments seeking steady, predictable results.
Part Numbers
- Protool Part Number
- 11IR11UNK20
- 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.
