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11IR27UNK20 - 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 | 27 |
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Description
The Carmex Thread Turning Internal Insert, model 11IR27UNK20, is a versatile right-hand tool designed for internal threading on CNC and manual machines. It supports UNC, UNF, UNEF and UNS thread standards, enabling you to complete a wide range of jobs with a single insert.
- Broad thread-standard compatibility: Covers UNC/UNF/UNEF/UNS internal threads with a single insert, reducing tool changes and simplifying inventory.
- Right-hand orientation and precise geometry: Designed for stable, repeatable internal threading, delivering clean threads and smooth bore finishes across common materials.
- Durable laydown triangular design: Triangular geometry provides multiple usable cutting edges for extended tool life and reliable performance from basic to demanding applications.
With universal thread compatibility and dependable cutting geometry, this insert helps you produce accurate internal threads quickly, minimize rework, and keep production running smoothly. The trusted Carmex build quality supports consistent performance across jobs, from routine maintenance to precision assemblies.
Part Numbers
- Protool Part Number
- 11IR27UNK20
- 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.
