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Carmex Thread Turning Internal Insert - NPT - Right Hand - 11IR14NPTBLU

Carmex Thread Turning Internal Insert - NPT - Right Hand - 11IR14NPTBLU

SKU:11IR14NPTBLU

Carmex Thread Turning Internal Insert – NPT – Right Hand is a high-quality internal threading insert designed to turn NPT threads from inside a bore. Built around a laydown triangular geometry, i... Read more ↓
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Thread TypeInternal
Thread DirectionRight Hand
Thread FormNPT
Pitch14
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£11.60
Prices shown ex. VAT
5 days estimated lead time — subject to availability
Free delivery over £50 ex VAT
Secure checkout
14-day returns
30+ years expertise
Klarna
Pay in 3 interest-free instalments. No extra cost if paid on time. 18+ only.
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Speak to our team
01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Description

Carmex Thread Turning Internal Insert – NPT – Right Hand is a high-quality internal threading insert designed to turn NPT threads from inside a bore. Built around a laydown triangular geometry, it delivers stable cutting and clean thread engagement across a wide range of thread standards.

This insert is suitable for engineers, machinists, buyers, tradespeople, hobbyists, and non-technical customers who need reliable internal threading capabilities—from simple bore threading jobs to the most demanding applications.

  • Broad thread standard compatibility: Covers the majority of thread standards with one insert, handling from basic to demanding applications for internal threading.
  • Optimized for NPT right-hand internal threading: Specifically designed to cut internal NPT threads from within the bore with right-hand orientation, delivering precise and smooth results.
  • Stable laydown triangular geometry: Provides stable engagement, reduces vibration, and supports consistent, repeatable thread quality across a variety of materials and conditions.

With Carmex Thread Turning Internal Insert – NPT, you gain a versatile tool that supports a wide range of bore-threading tasks with consistent results. The combination of broad compatibility and a stable cutting geometry helps you reduce rework, maintain a smooth workflow, and achieve reliable internal threads across standards—whether you’re in a high‑volume shop or a smaller workshop.

Part Numbers

Protool Part Number
11IR14NPTBLU
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.

Ask our technical team about this tool

Not sure if this is the right tool for your job? Ask us about speeds and feeds, material suitability, holders or alternatives — 30+ years of machining experience on the other end.

Prefer to talk? Call 01732 887334 — Mon–Thurs 8:30–17:30, Fri 8:30–16:30.

Complete Your Project

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