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16IR18NPTBMA - Carmex Thread Turning Internal Insert - NPT - Right Hand

SKU:16IR18NPTBMA

The Carmex Thread Turning Internal Insert is a precision tool designed for internal threading on NPT right‑hand threads. Built to cover a broad range of thread standards, this insert serves machi... Read more ↓
P
M
K
S
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Thread TypeInternal
Thread DirectionRight Hand
Thread FormNPT
Pitch18
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£9.50
per item · pack of 2
Prices shown ex. VAT
In Stock
Sold in packs of 2
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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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01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Description

The Carmex Thread Turning Internal Insert is a precision tool designed for internal threading on NPT right‑hand threads. Built to cover a broad range of thread standards, this insert serves machinists, engineers, buyers, tradespeople, and hobbyists who need a dependable, versatile solution for pipe and hydraulic components.

  • Broad thread compatibility: These inserts provide a solution for the majority of thread standards today, reducing the need to stock multiple tools and enabling quicker setup and changeovers.
  • Laydown triangular geometry for stability: The geometry delivers stable, consistent cuts and better surface finish across a wide range of materials, even under demanding threading tasks.
  • NPT internal threading for right-hand threads: Specifically optimized for internal NPT threads, ensuring accurate thread form and reliable performance in piping and hydraulic applications.

Together, Carmex Thread Turning Internal Insert offers a reliable, flexible threading solution that streamlines your workflow. It minimizes tool changes, helps you hit precise thread tolerances, and supports a wide variety of tasks—from quick maintenance to more complex production runs—so you can complete jobs faster with confidence.

Part Numbers

Protool Part Number
16IR18NPTBMA
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.

Full Range: Carmex Thread Turning Internal Inserts - NPT - Right/Left Hand

View full collection →

You are viewing 16IR18NPTBMA. Click any other SKU to view its full details.

Product SKUThread TypeThread DirectionThread FormPitchInsert SizeGradePriceStock Order
06IL27NPTBMA InternalLeft HandNPT276BMA£8.90 per item · pack of 55 days
Sold in packs of 5
06IL27NPTBXC InternalLeft HandNPT276BXC£13.88 per item · pack of 105 days
Sold in packs of 10
06IR27NPTBMA InternalRight HandNPT276BMA£11.60 per item · pack of 2In Stock
Sold in packs of 2
08IL18NPTBMA InternalLeft HandNPT188BMA£8.90 per item · pack of 55 days
Sold in packs of 5
08IL27NPTBMA InternalLeft HandNPT278BMA£8.90 per item · pack of 55 days
Sold in packs of 5
08IR18NPTBMA InternalRight HandNPT188BMA£11.60 per item · pack of 2In Stock
Sold in packs of 2
08IR27NPTBMA InternalRight HandNPT278BMA£11.60 per item · pack of 2In Stock
Sold in packs of 2
11IL14NPTBMA InternalLeft HandNPT1411BMA£8.10 per item · pack of 55 days
Sold in packs of 5
11IL18NPTBMA InternalLeft HandNPT1811BMA£8.10 per item · pack of 55 days
Sold in packs of 5
11IL27NPTBMA InternalLeft HandNPT2711BMA£8.10 per item · pack of 55 days
Sold in packs of 5
11IR14NPTBMA InternalRight HandNPT1411BMA£10.55 per item · pack of 2In Stock
Sold in packs of 2
11IR18NPTBMA InternalRight HandNPT1811BMA£10.55 per item · pack of 2In Stock
Sold in packs of 2
11IR27NPTBMA InternalRight HandNPT2711BMA£10.55 per item · pack of 2In Stock
Sold in packs of 2
16IL11.5NPTBMA InternalLeft HandNPT11.516BMA£7.29 per item · pack of 55 days
Sold in packs of 5
16IL14NPTBMA InternalLeft HandNPT1416BMA£7.29 per item · pack of 55 days
Sold in packs of 5
16IL18NPTBMA InternalLeft HandNPT1816BMA£7.29 per item · pack of 55 days
Sold in packs of 5
16IL27NPTBMA InternalLeft HandNPT2716BMA£7.29 per item · pack of 55 days
Sold in packs of 5
16IL8NPTBMA InternalLeft HandNPT816BMA£9.50 per item · pack of 55 days
Sold in packs of 5
16IR11.5NPTBMA InternalRight HandNPT11.516BMA£9.50 per item · pack of 25 days
Sold in packs of 2
16IR14NPTBMA InternalRight HandNPT1416BMA£9.50 per item · pack of 2In Stock
Sold in packs of 2
16IR18NPTBMA ViewingInternalRight HandNPT1816BMA£9.50 per item · pack of 2In Stock
Sold in packs of 2
16IR27NPTBMA InternalRight HandNPT2716BMA£9.50 per item · pack of 2In Stock
Sold in packs of 2
16IR8NPTBMA InternalRight HandNPT816BMA£9.50 per item · pack of 25 days
Sold in packs of 2

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