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Carmex Thread Turning Internal Insert - NPT - Right Hand - 16IR14NPTK20
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | NPT |
| Pitch | 14 |
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Carmex Thread Turning Internal Insert - NPT - Right Hand - 16IR14NPTK20 is a purpose-built internal threading insert designed for NPT right-hand threads. Part of Carmex's globally recognized range, these laydown triangular inserts offer a versatile solution for many thread standards, enabling you to tackle a wide variety of components with a single tool.
- Broad thread-standards compatibility: Designed to provide a solution for the majority of thread standards in use today, helping you reduce tool changes and simplify stocking.
- Versatile for basic to demanding applications: Ready to handle simple threads and more challenging components alike, delivering dependable results across a range of jobs.
- Global Carmex quality you can trust: Part of an industry-leading range recognized worldwide for reliable performance in everyday manufacturing environments.
This insert supports consistent, accurate internal threading while fitting smoothly into your existing tooling setup. Its broad compatibility, combined with Carmex’s proven track record, helps you improve workflow, shorten cycle times, and achieve reliable thread quality across a variety of projects.
Part Numbers
- Protool Part Number
- 16IR14NPTK20
- 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.



