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16IR8NPTBMA - Carmex Thread Turning Internal Insert - NPT - Right Hand

SKU:16IR8NPTBMA

The Carmex Thread Turning Internal Insert - NPT - Right Hand - 16IR8NPTBMA is a precision cutting insert designed for internal threading of NPT right-hand threads. It belongs to our industry-lead... Read more ↓
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M
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Thread TypeInternal
Thread DirectionRight Hand
Thread FormNPT
Pitch8
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£9.50
per item · pack of 2
Prices shown ex. VAT
5 days estimated lead time — subject to availability
Sold in packs of 2
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Free delivery over £50 ex VAT
Secure checkout
14-day returns
30+ years expertise
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01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Description

The Carmex Thread Turning Internal Insert - NPT - Right Hand - 16IR8NPTBMA is a precision cutting insert designed for internal threading of NPT right-hand threads. It belongs to our industry-leading family of thread turning inserts, recognized globally for reliable performance and broad compatibility.

Ideal for machinists, engineers, tradespeople, buyers, and hobbyists tackling internal threading tasks, this insert handles a wide range of thread standards—from basic to demanding—providing consistent results with fewer tool changes.

  • Broad thread standards compatibility: Designed to handle a wide range of thread standards, including NPT right-hand threads, reducing tool changes and simplifying inventory for mixed jobs.
  • Triangular laydown geometry for stable cutting: The laydown triangular insert geometry provides even edge support, promotes efficient chip evacuation, and delivers a consistent thread form across varying depths of cut.
  • Internal-thread turning optimized for reliability: Specifically engineered for internal threading, this insert ensures precise seating and alignment, resulting in clean, concentric NPT threads and fewer rework passes.

This insert helps you streamline setups, reduce downtime, and deliver repeatable, accurate NPT threads across a broad workload. Its versatile compatibility empowers shops to tackle maintenance and production tasks with confidence, improving throughput and overall results.

Part Numbers

Protool Part Number
16IR8NPTBMA
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 16IR8NPTBMA. 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 InternalRight 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 ViewingInternalRight HandNPT816BMA£9.50 per item · pack of 25 days
Sold in packs of 2

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