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16IR16UNBLU - Carmex Thread Turning Internal Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch | 16 |
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Description
Carmex Thread Turning Internal Insert is a precision cutting insert designed specifically for internal threading on mechanical components. This right‑hand, laydown triangular insert is engineered to cover multiple thread standards—UNC, UNF, UNEF, and UNS—across a wide range of workpieces, delivering reliable, repeatable threads with minimal setup fuss.
Whether you’re performing routine repairs or tackling demanding production runs, this insert helps machinists, engineers, and shop technicians achieve consistent thread quality without swapping tools.
- Versatile UNC/UNF/UNEF/UNS compatibility: Reduces tool changes and inventory by supporting multiple thread standards in one insert, enabling quick setup across common workpieces.
- Right‑hand internal threading with stable laydown geometry: Delivers repeatable, clean thread engagement and steady cutting action for accurate threads and improved surface finish.
- Durable construction for long tool life: Triangular laydown design provides rigidity and wear resistance, suitable for a wide range of materials and production environments.
This combination of flexibility and dependable performance means faster setup, less downtime, and consistent results across jobs. By reducing tool changes and delivering reliable thread quality from first part to last, the Carmex internal insert helps you improve throughput and overall machining efficiency.
Part Numbers
- Protool Part Number
- 16IR16UNBLU
- 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.
