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16IR12UNBLU - 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 | 12 |
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Description
The Carmex Thread Turning Internal Insert is a right‑hand, internal threading insert designed to form precise threads for UNC, UNF, UNEF, and UNS standards. Its blue-tinted, laydown triangular geometry is engineered for stability and reliable cutting across a broad range of materials. This insert is ideal for engineers, machinists, maintenance technicians, and hobbyists who need consistent, repeatable internal threads with minimal setup fuss.
- Broad thread compatibility: Designed to cover the majority of common thread standards (UNC, UNF, UNEF, UNS), reducing tool changes and inventory while delivering dependable results across a wide range of applications.
- Rigid laydown triangular geometry: The triangular laydown design provides stable cutting action and efficient chip control, helping to extend insert life and produce smooth, accurate threads even in tougher materials.
- Right‑hand orientation for predictable results: Optimized for right‑hand threading tasks, enabling straightforward setup and consistent performance in everyday manufacturing and maintenance work.
This insert supports faster, more consistent internal thread production, helping you complete projects with fewer rework cycles and downtime. With reliable performance across basic to demanding threading tasks, it enables streamlined workflows, precise results, and increased confidence in every job.
Part Numbers
- Protool Part Number
- 16IR12UNBLU
- 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.
