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Carmex Thread Turning Internal Insert - NPTF - Right Hand - 11IR18NPTFK20

Carmex Thread Turning Internal Insert - NPTF - Right Hand - 11IR18NPTFK20

SKU:11IR18NPTFK20

Carmex Thread Turning Internal Insert – NPTF – Right Hand is an internal threading insert designed for right‑hand NPTF threads. It sits in Carmex’s industry‑leading range of thread turning insert... Read more ↓
N
S
Thread TypeInternal
Thread DirectionRight Hand
Thread FormNPTF
Pitch18
Insert Size11
GradeK20
Download Cutting Data
£9.88
Prices shown ex. VAT
5 days estimated lead time — subject to availability
Free delivery over £50 ex VAT
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Carmex Thread Turning Internal Insert – NPTF – Right Hand is an internal threading insert designed for right‑hand NPTF threads. It sits in Carmex’s industry‑leading range of thread turning inserts and is trusted worldwide for dependable performance.

Its laydown triangular geometry is built to cover a wide variety of thread standards, providing a capable solution from everyday tasks to more demanding threading jobs.

  • Broad thread compatibility: Designed to cover the majority of thread standards with a single internal insert, reducing tool changes and simplifying stocking.
  • Precision thread form and finish: Triangular laydown geometry delivers consistent thread profiles and smooth finishes across basic to demanding applications, helping your parts fit right the first time.
  • Durable, long-lasting performance: Robust construction resists wear for extended tool life, delivering reliable results across multiple jobs and reducing downtime.

This insert helps streamline your threading workflow by enabling reliable inside-thread production with fewer insert changes, consistent quality, and dependable performance from setup to finished part. Its broad compatibility and durable design support faster setups, fewer rejects, and improved overall productivity for a wide range of threaded hole applications.

Thread Type Internal
Thread Direction Right Hand
Thread Form NPTF
Pitch 18
Insert Size 11
Grade K20

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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.

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