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16ER16UNBXC - 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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Description
Meet the Carmex Thread Turning External Insert for right-hand threads. This universal, laydown triangular insert is designed to tackle external threading tasks across UNC, UNF, UNEF, and UNS standards. Built to perform in a wide range of materials and applications, it’s the reliable choice for engineers, machinists, and workshops that value consistency and efficiency.
Whether you’re producing basic threaded components or more demanding fasteners, this insert delivers stable engagement, predictable results, and long tool life. Its geometry and edge design are optimized for clean, accurate threads with minimal rework.
- Broad thread compatibility across UNC/UNF/UNEF/UNS external threads: Handles a wide spectrum of external thread standards, reducing tool changes and simplifying inventory so you can switch between common threads without swapping inserts.
- Stable laydown triangular geometry for consistent cutting: Provides rigid support and smooth engagement, improving surface finish and reliability across a range of materials and threading tasks.
- Reliable performance with long edge life: Durable cutting edge maintains geometry through multiple passes, lowering downtime and ensuring repeatable, high-quality threads.
This insert streamlines threading work by covering multiple standards with a single tool, helping you speed up setups and reduce downtime. Its proven geometry delivers consistent thread quality from first cut to last, supporting efficient workflows and parts you can trust across basic to demanding applications.
Part Numbers
- Protool Part Number
- 16ER16UNBXC
- 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.
