Please log in here to access all benefits, including promotional discounts and faster checkouts.
16IL1.25ISOBLU - Carmex Thread Turning Internal Insert - Metric - Left Hand
| Thread Type | Internal |
| Thread Direction | Left Hand |
| Thread Form | Metric |
| Pitch | 1.25 |
Learn more about Klarna
Compatible holders
The ones our customers buy most.
Description
Carmex Thread Turning Internal Insert – Metric – Left Hand – 16IL1.25ISOBLU is a precision tool designed for internal thread creation in metric left-hand applications. Part of Carmex's trusted thread turning family, this laydown triangular insert delivers reliable geometry, consistent cutting action, and broad compatibility with common thread standards.
Designed for professionals across workshops and production floors—engineers, machinists, technicians, and hobbyists—the insert helps you achieve clean, accurate threads with minimal setup. Built for durability, it features the IsoBlu coating for enhanced wear resistance and longer life in challenging materials.
- Wide compatibility across thread standards: The laydown triangular geometry is designed to cover a broad range of metric thread profiles, reducing the need to stock multiple inserts and enabling quick changeovers.
- Metric left‑hand internal threading ready: Specifically optimized for internal left-hand threads, helping you produce consistent geometry and reliable thread quality in a single pass.
- IsoBlu coating for durability: Blue IsoBlu finish minimizes wear and heat buildup, extending insert life and reducing downtime on demanding jobs.
With Carmex Thread Turning Internal Insert, you can produce precise internal metric left-hand threads quickly across materials, reducing rework and downtime. The triangular laydown geometry provides stable cutting action, excellent chip control, and consistent results, making it suitable for production runs, maintenance, and repair tasks while helping you improve workflow and overall performance.
Part Numbers
- Protool Part Number
- 16IL1.25ISOBLU
- 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.
