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11ER40UNBMA - Carmex Thread Turning External Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch | 40 |
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Description
Carmex Thread Turning External Insert is a precision cutting insert designed for external thread turning on standard unified thread forms (UNC, UNF, UNEF, UNS). It delivers reliable, repeatable thread profiles across a broad range of materials, making it suitable for engineers, machinists, and technicians. Part number 11ER40UNBMA.
From Carmex's industry-leading range of thread turning inserts, this right-hand, laydown triangular insert is built to handle applications from basic threading tasks to demanding production runs, with consistent results and fewer tool changes.
- Universal UN Thread Coverage: Supports UNC, UNF, UNEF, and UNS external threads in a single insert, reducing tool changes and simplifying inventory while delivering consistent thread quality.
- Durable Triangular Laydown Geometry: The laydown triangular design provides multiple sharp edges and stable engagement for clean thread forms, improved finish, and longer edge life across a variety of materials.
- Right-Hand Configuration for Consistent Results: Optimized for right-hand threads, ensuring predictable cutting direction and reliable performance in everyday turning operations.
This insert is designed to streamline threading work, delivering dependable performance from prototype runs to high-volume production. With its durable geometry and broad compatibility, you can expect faster setup, fewer insert changes, and consistently accurate UNC/UNF/UNEF/UNS threads—backed by Carmex’s proven tooling reliability.
Part Numbers
- Protool Part Number
- 11ER40UNBMA
- 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.
