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Carmex Thread Turning Internal Insert - NPT - Right Hand - 08IR18NPTBXC
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | NPT |
| Pitch | 18 |
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The Carmex Thread Turning Internal Insert - NPT - Right Hand - 08IR18NPTBXC is a precision tool designed for internal threading in turning operations. Part of Carmex's industry-leading range, this right-hand NPT insert delivers reliable performance across a wide set of thread standards.
Geared toward engineers, machinists, buyers, tradespeople, and hobbyists, this insert uses a robust laydown triangular design to produce consistent results from basic to demanding applications.
- Broad thread compatibility across standards: This insert provides a solution for the majority of thread standards used today, reducing the need to stock multiple tools and switch tooling between jobs.
- Triangular laydown geometry for stable cutting: The laydown triangular design delivers steady engagement and predictable chip flow, helping you achieve consistent internal threads and better surface finishes.
- Versatile for basic to demanding applications: From simple threads to the most challenging specs, this insert handles a wide range of turning tasks with reliable results.
With this insert, you can simplify your threading workflow: fewer tool changes, faster setup, and consistent results across parts. Its dependable performance helps reduce downtime and rework while delivering clean, accurate internal threads that meet specification every time.
Part Numbers
- Protool Part Number
- 08IR18NPTBXC
- 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.


