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Carmex Thread Turning Internal Insert - NPT - Right Hand - 16IR8NPTBLU

16IR8NPTBLU - Carmex Thread Turning Internal Insert - NPT - Right Hand

SKU:16IR8NPTBLU

Carmex Thread Turning Internal Insert for NPT, Right Hand is a precision threading tool designed to produce clean, accurate internal threads in a variety of materials. It’s ideal for machinists, ... Read more ↓
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Thread TypeInternal
Thread DirectionRight Hand
Thread FormNPT
Pitch8
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£10.44
per item · pack of 10
Prices shown ex. VAT
In Stock— only 8 left
Sold in packs of 10
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 for NPT, Right Hand is a precision threading tool designed to produce clean, accurate internal threads in a variety of materials. It’s ideal for machinists, engineers, and maintenance professionals who need dependable results in everyday and challenging projects.

Our industry-leading range of thread turning inserts is recognized worldwide. These high-quality laydown triangular inserts provide a solution for the majority of thread standards used today, and they’re capable of handling applications from basic to demanding ones.

  • Versatile thread compatibility: Covers a broad range of thread standards, enabling you to tackle many projects with a single insert and reduce downtime from tool changes.
  • Triangular laydown geometry for stability: Distributes cutting forces evenly for stable operation and consistent internal-thread quality across different depths and materials.
  • Right-hand NPT threading optimization: Specifically configured for right-hand internal threads in NPT applications, delivering reliable engagement and predictable results for fittings, pipes, and hydraulic components.

Together, these features help you complete threaded parts with greater consistency and efficiency. The insert supports smoother workflows by reducing tool changes, delivering repeatable results on both simple and demanding jobs, and helping you meet tight tolerances with confidence.

Part Numbers

Protool Part Number
16IR8NPTBLU
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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