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16EL0.8ISOBLU - Carmex Thread Turning External Insert - Metric - Left Hand
| Thread Type | External |
| Thread Direction | Left Hand |
| Thread Form | Metric |
| Pitch | 0.8 |
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Introducing the Carmex Thread Turning External Insert (Metric, Left Hand) — model 16EL0.8ISOBLU. This high‑quality laydown triangular insert is designed to cover a wide range of metric left‑hand thread standards, making external threading tasks quicker, more predictable, and easier to manage for machinists, engineers, and workshop teams alike. Whether you’re tackling routine production or demanding applications, this insert delivers reliable performance across the majority of thread standards available today.
- Broad compatibility with metric thread standards: Designed to cover a wide range of metric left‑hand external threading standards, reducing the need to stock multiple inserts and speeding up changeovers.
- Laydown triangular geometry for stable, repeatable cuts: The laydown triangular design provides stable seating and smooth chip control, delivering consistent thread finishes on a variety of materials.
- Left‑hand external threading optimized: Specifically engineered for left‑hand thread turning, ensuring efficient material removal and reliable results in challenging jobs.
With Carmex thread turning inserts, you gain consistent results, reduced downtime, and a dependable tool you can trust in everyday threading work. The straightforward setup and dependable performance help you complete more jobs faster—achieving accurate thread fits and longer tool life while keeping your workflow smooth and efficient.
Part Numbers
- Protool Part Number
- 16EL0.8ISOBLU
- 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.



