Please log in here to access all benefits, including promotional discounts and faster checkouts.

Carmex Thread Turning External Insert - NPT - Left Hand - 16EL18NPTBMA

Carmex Thread Turning External Insert - NPT - Left Hand - 16EL18NPTBMA

SKU:16EL18NPTBMA

The Carmex Thread Turning External Insert for NPT Left-Hand threads is a precision cutting insert designed for external threading tasks. Its laydown triangular geometry delivers stable engagement... Read more ↓
P
M
K
S
H
Thread TypeExternal
Thread DirectionLeft Hand
Thread FormNPT
Pitch18
Insert Size16
GradeBMA
Download Cutting Data
£7.29
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.
Learn more about Klarna
Speak to our team
01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

The Carmex Thread Turning External Insert for NPT Left-Hand threads is a precision cutting insert designed for external threading tasks. Its laydown triangular geometry delivers stable engagement and clean thread formation across a wide range of thread standards, making it a versatile choice for shops handling varied threading jobs.

  • Broad thread-standards compatibility: Designed to cover the majority of thread standards in use today, this insert simplifies planning and reduces the need to stock multiple tools, helping you tackle a variety of jobs with one reliable solution.
  • Stable cutting geometry for consistent results: Laydown triangular design provides stable engagement and efficient chip control, promoting smooth, repeatable threads across materials.
  • Reliable performance for demanding applications: Engineered to handle challenging threading tasks, including left-hand NPT, with dependable results across a range of materials.

With Carmex Thread Turning External Insert, you gain a versatile, dependable tool that handles a broad range of thread standards, reducing the need for multiple inserts. Its stable cutting behavior produces consistent thread forms across applications, helping you complete jobs faster and with fewer reworks.

Thread Type External
Thread Direction Left Hand
Thread Form NPT
Pitch 18
Insert Size 16
Grade BMA

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.

★★★★★
Nice experience staff are very helpful and interested...
Staff are very helpful and interested in providing a good service making us the customer feel valued.
Bill
★★★★★
first place we look
honest about stock and prices are competitive.
Phil
★★★★★
Polite and helpful
Staff are very helpful and polite.Goods that were in stock were dispatched same day and back orders were quick in coming through .
Graham
★★★★★
Buying experience
Phone requests are handled quickly and without any fuss. The website is easy to use and straightforward to order from. It’s especially helpful that it shows real‑time availability, so we don’t need to call to confirm whether parts will arrive.
Jeremy

Complete Your Project

with tools we think you'll like