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16ER0.4ISOK20 - Carmex Thread Turning External Insert - Metric - Right Hand
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | Metric |
| Pitch | 0.4 |
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Description
The Carmex Thread Turning External Insert - Metric - Right Hand - 16ER0.4ISOK20 is a robust external turning insert designed for threading operations. Built for metric right-hand threads, this laydown triangular insert from Carmex covers the majority of thread standards in use today, making it a versatile choice for shops that handle a variety of parts. Whether you’re setting up a simple thread or tackling demanding production runs, this insert is designed to deliver consistent results with straightforward setup.
- Broad thread-standard compatibility: Designed to cover the majority of thread standards with metric, right-hand geometry, reducing tool changes and simplifying procurement for mixed-thread workloads.
- Triangular laydown geometry for stability: The laydown triangular shape provides stable cutting engagement, helping you achieve clean, consistent thread profiles across a wide range of applications—from basic to highly demanding.
- Trusted Carmex quality: Part of an industry-leading, worldwide-recognized range, these inserts are built for dependable performance and long-term reliability in everyday machining environments.
This insert helps streamline threading work, shorten setup times, and deliver repeatable results that support tolerance and finish targets. It’s a practical choice for engineers, machinists, and workshop teams who value accuracy, speed, and durability in precision threading.
Part Numbers
- Protool Part Number
- 16ER0.4ISOK20
- 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.
