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16IR0.5ISOBLU - Carmex Thread Turning Internal Insert - Metric - Right Hand
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | Metric |
| Pitch | 0.5 |
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Carmex Thread Turning Internal Insert (Metric - Right Hand - 16IR0.5ISOBLU) is a precision cutting insert designed for internal threading operations. Its laydown triangular geometry is engineered to handle a wide range of ISO metric thread standards, making it versatile for both simple and challenging threading tasks. Whether you’re building threaded components or finishing existing holes, this insert helps you achieve accurate, consistent threads with fewer tool changes.
This insert is part of our globally recognized, industry-leading range of thread turning inserts. The triangular laydown design balances performance and stability, enabling reliable results across a broad spectrum of applications.
- Broad thread compatibility across ISO metric right-hand standards: The laydown triangular geometry supports a wide range of thread profiles, letting you complete most internal threading tasks with a single insert and reducing tool changes.
- Easy setup and repeatable results: Designed for straightforward mounting in compatible tools, it delivers consistent thread forms with every pass, helping you meet tight tolerances with less rework.
- Durable, long-lived cutting geometry: Built to withstand demanding machining, this insert maintains sharpness through many cycles, delivering reliable performance and reducing replacement intervals.
With the Carmex internal insert, you simplify your threading workflow: fewer different tools to stock, faster changeovers, and dependable performance across varying thread types. Expect cleaner starts, improved consistency, and steady productivity from setup through part completion.
Part Numbers
- Protool Part Number
- 16IR0.5ISOBLU
- 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.



