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16EL0.45ISOK20 - Carmex Thread Turning External Insert - Metric - Left Hand
| Thread Type | External |
| Thread Direction | Left Hand |
| Thread Form | Metric |
| Pitch | 0.45 |
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Description
The Carmex Thread Turning External Insert (Metric - Left Hand - 16EL0.45ISOK20) is a high‑quality, laydown triangular insert designed for external thread turning. It’s built to cover the majority of thread standards in use today, making it a versatile choice for shops, engineers, and hobbyists alike.
From routine threading to demanding applications, this insert delivers consistent results with straightforward setup, helping you complete jobs faster and with fewer interruptions.
- Broad compatibility with thread standards: Designed to cover the majority of modern thread standards, reducing the need for multiple inserts and simplifying setup across a wide range of jobs.
- Stable, efficient cuts with laydown triangular geometry: The geometry promotes steady engagement, improved chip control, and a reliable finish, even on challenging materials or variable cutting conditions.
- Left-hand metric threading capability: Specifically configured for left-hand metric threads, providing the right cutting edge geometry for accurate, clean threads in external turning operations.
This insert helps streamline production by enabling reliable external thread turning across common thread forms with a single, versatile tool. Expect consistent thread quality, reduced tool changes, and dependable performance in both production environments and more hands‑on workshops.
Part Numbers
- Protool Part Number
- 16EL0.45ISOK20
- 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.
