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16IL12UNBLU - Carmex Thread Turning Internal Insert - UN (UNC,UNF,UNEF,UNS) - Left Hand
| Thread Type | Internal |
| Thread Direction | Left Hand |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch | 12 |
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Description
Carmex Thread Turning Internal Insert is a precision cutting insert designed for internal thread machining. This left‑hand, triangular laydown insert is compatible with UNC, UNF, UNEF, and UNS thread standards, making it a versatile choice for a wide range of applications.
Built to handle everything from basic to the most demanding threads, this insert helps machinists, engineers, and maintenance teams achieve consistent, repeatable results with fewer tool changes and less downtime.
- Broad thread‑standard compatibility: Designed to work with UNC, UNF, UNEF, and UNS internal threads, reducing the need for multiple inserts and simplifying inventory.
- Triangular laydown geometry for stable cuts: The laydown triangular shape provides secure engagement and smooth chip control for clean, consistent thread profiles across passes, helping extend tool life.
- Left‑hand threading capability for versatile use: Optimized for left‑hand threads, enabling efficient production without tool changes or additional tooling.
This insert supports reliable, versatile performance for internal threads across common standards. It helps speed up setup, reduces the number of inserts you need to stock, and delivers consistent thread quality in both light‑ and heavy‑duty production. Whether you’re manufacturing new components or servicing critical assemblies, this Carmex insert promotes precise results, reduced downtime, and smoother overall workflow.
Part Numbers
- Protool Part Number
- 16IL12UNBLU
- 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.
