Please log in here to access all benefits, including promotional discounts and faster checkouts.
Carmex Thread Turning Internal Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand - 11IRB24UNBMA
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch | 24 |
Learn more about Klarna
Compatible holders
The ones our customers buy most.
Description
The Carmex Thread Turning Internal Insert (model 11IRB24UNBMA) is a precision cutting insert designed for internal threading on UN standards (UNC, UNF, UNEF, UNS). Optimized for right-hand threads, this laydown triangular insert provides a versatile solution for machinists, engineers, and workshop professionals seeking consistent results across a broad range of applications.
- Broad UN thread compatibility: Works with UNC, UNF, UNEF, and UNS threads—eliminating the need for multiple inserts and speeding up setup.
- Right-hand threading optimized: Specifically designed for right-hand threads, delivering predictable engagement and clean cuts in standard machining operations.
- Industry-leading quality and versatility: Recognized worldwide for high quality and the ability to handle both basic and demanding threading tasks with a single insert.
By choosing this internal insert, you gain a flexible, ready-to-use solution for internal threading that reduces setup time and tool changes, improves threaded accuracy, and supports a wide range of UN thread standards. Its robust design and universal compatibility help you complete more jobs with fewer inserts, delivering reliable, repeatable results for both simple and complex projects.
Part Numbers
- Protool Part Number
- 11IRB24UNBMA
- 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.
Full Range: Carmex Thread Turning Internal Inserts - BType - Unified - Right Hand
View full collection →You are viewing 11IRB24UNBMA. Click any other SKU to view its full details.
| Product SKU | Thread Type | Thread Direction | Thread Form | Pitch | Insert Size | Grade | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| 11IRB12UNBMA | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 12 | 11 | BMA | £8.10 | 5 days | |
| 11IRB14UNBMA | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 14 | 11 | BMA | £8.10 | 5 days | |
| 11IRB16UNBMA | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 16 | 11 | BMA | £10.55 | 5 days | |
| 11IRB18UNBMA | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 18 | 11 | BMA | £8.10 | 5 days | |
| 11IRB20UNBMA | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 20 | 11 | BMA | £10.55 | In Stock | |
| 11IRB24UNBMA Viewing | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 24 | 11 | BMA | £10.55 | 5 days | |
| 11IRB28UNBMA | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 28 | 11 | BMA | £8.10 | 5 days | |
| 11IRB32UNBMA | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 32 | 11 | BMA | £8.10 | 5 days | |
| 16IRB10UNBMA | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 10 | 16 | BMA | £9.50 | 5 days | |
| 16IRB12UNBMA | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 12 | 16 | BMA | £9.50 | 5 days | |
| 16IRB14UNBMA | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 14 | 16 | BMA | £9.50 | 5 days | |
| 16IRB16UNBMA | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 16 | 16 | BMA | £9.50 | 5 days | |
| 16IRB18UNBMA | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 18 | 16 | BMA | £9.50 | 5 days | |
| 16IRB20UNBMA | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 20 | 16 | BMA | £9.50 | 5 days | |
| 16IRB24UNBMA | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 24 | 16 | BMA | £9.50 | 5 days | |
| 16IRB8UNBMA | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 8 | 16 | BMA | £9.50 | 5 days |
No products match your filters.
