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11IR28UNK20 - 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 | 28 |
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Description
Carmex's Thread Turning Internal Insert is a versatile right-hand tool designed for internal threading on UNC, UNF, UNEF, and UNS standards. This laydown triangular insert delivers dependable performance for a wide range of applications, from routine work to more demanding threading tasks, helping shops simplify tooling without sacrificing accuracy.
- Broad thread compatibility: Works with UNC, UNF, UNEF, and UNS internal threads, enabling one insert to cover many standard threadings and reduce tool changes.
- Right-hand cutting geometry: Optimized for right-handed threads, delivering consistent engagement and predictable results across jobs.
- Durable triangular laydown design: High-quality, robust geometry that stands up to repeated use, helping to extend tool life and maintain steady performance across varied applications.
This insert is designed to simplify threading work while delivering dependable results. By covering multiple thread standards with a single tool and offering a predictable cutting action, it helps crews reduce setup time, minimize downtime, and achieve consistent internal threads. Whether you’re in a workshop or on-site, this Carmex insert supports steady performance, reliable finishes, and a streamlined workflow.
Part Numbers
- Protool Part Number
- 11IR28UNK20
- 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.
