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11ER16UNBMA - 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 | 16 |
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The ones our customers buy most.Description
Carmex Thread Turning External Insert is a versatile cutting solution designed for turning external threads on UN standards, including UNC, UNF, UNEF, and UNS. This right-hand insert is ideal for a broad range of users—from engineers and shop technicians to hobbyists—seeking reliable, consistent threading performance.
Its triangular laydown geometry offers multiple cutting edges, enabling clean, precise thread forms and longer edge life. The design supports straightforward setup and quick edge indexing, helping you reduce downtime on busy production runs.
- Broad UN-thread compatibility: Works with UNC, UNF, UNEF, and UNS threads, enabling fast setup and flexible use across multiple standard profiles.
- Triangular laydown geometry with multiple cutting edges: Each edge provides a fresh cutting surface, improving tool life and reducing interruptions during longer threading cycles.
- Optimized for right-hand external threading: Delivers reliable performance for turning external threads with predictable results and good chip control across a range of applications.
Designed to support efficient workflows, this insert helps you complete more parts per shift with consistent thread quality. Its durable construction and versatile compatibility give you confidence in everyday production and more demanding jobs alike.
Part Numbers
- Protool Part Number
- 11ER16UNBMA
- 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.










