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11ER27UNBMA - 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 | 27 |
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Description
Carmex Thread Turning External Insert is a precision cutting solution designed for external threading on metal workpieces. Specifically engineered to handle UNC, UNF, UNEF, and UNS thread standards, this right-hand insert is ideal for machinists, toolmakers, maintenance shops, and production environments seeking reliable, consistent threads. The laydown triangular geometry provides stable cutting action and smooth chip flow, helping you achieve accurate threads with minimal adjustments.
Part of Carmex's industry-leading range, this insert covers a wide range of applications—from basic threading tasks to the most demanding jobs—so one tool can do more in less time.
- Broad UNC/UNF/UNEF/UNS compatibility: One insert supports multiple external thread standards, reducing tool changes and inventory hassles while speeding setup on mixed lots.
- Laydown triangular cutting geometry: Delivers stable engagement, smoother chip control, and consistent thread form for reliable results even on tougher materials.
- Right-hand external thread turning: Optimized for standard right-hand threads, ensuring predictable performance and easy integration with existing setups.
This Carmex thread turning insert helps you streamline threading operations, minimize downtime, and maintain tight tolerances across a broad range of projects. Its durable design and versatile compatibility translate to fewer tool changes, faster cycle times, and more consistent results—from prototype runs to high-volume production.
Part Numbers
- Protool Part Number
- 11ER27UNBMA
- 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.
