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Carmex Thread Turning External Insert - NPTF - Right Hand - 16ER11.5NPTFK20
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | NPTF |
| Pitch | 11.5 |
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Description
Carmex Thread Turning External Insert - NPTF - Right Hand - 16ER11.5NPTFK20 is part of our industry-leading line of thread turning inserts. Worldwide recognition among professionals in machining, fabrication, and maintenance confirms its reliability for external threading tasks.
These high-quality laydown triangular inserts are designed to cover the majority of thread standards in today’s shops, delivering consistent, repeatable results from basic to demanding applications.
- Wide thread compatibility: The laydown triangular design is built to cover the majority of thread standards in use today, helping you complete diverse threading projects with a single reliable insert and reducing tool changes.
- Stable cutting geometry: Laydown triangular inserts provide solid support and steady chip control, delivering smoother cuts and consistent thread profiles even under tougher material conditions.
- Proven reliability across tasks: From simple external threads to more challenging applications, these inserts maintain predictable performance, reducing downtime and boosting overall productivity.
With Carmex, you gain a standard you can trust across multiple jobs: fewer insert changes, more consistent thread quality, and a straightforward setup that helps you meet tight deadlines. Ideal for engineers, buyers, tradespeople, hobbyists, and DIY machinists alike, this insert supports efficient workflows and durable results on external threading tasks.
Part Numbers
- Protool Part Number
- 16ER11.5NPTFK20
- 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.
