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Carmex Thread Turning External Insert - UN (UNC,UNF,UNEF,UNS) - Left Hand - 16VEL18UNBMA

Carmex Thread Turning External Insert - UN (UNC,UNF,UNEF,UNS) - Left Hand - 16VEL18UNBMA

SKU:16VEL18UNBMA

The Carmex Thread Turning External Insert is a left-hand, external-thread cutting insert designed to cover UNC, UNF, UNEF, and UNS thread standards. Its robust, laydown triangular geometry is bui... Read more ↓
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Thread TypeExternal
Thread DirectionLeft Hand
Thread FormUN (UNC UNF UNEF UNS)
Pitch18
Insert Size16 Vertical
GradeBMA
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£12.93
Prices shown ex. VAT
5 days estimated lead time — subject to availability
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Free delivery over £50 ex VAT
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Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

The Carmex Thread Turning External Insert is a left-hand, external-thread cutting insert designed to cover UNC, UNF, UNEF, and UNS thread standards. Its robust, laydown triangular geometry is built to deliver reliable threading results across a wide range of tasks, from simple jobs to the most demanding ones.

This insert is crafted for a broad audience—from engineers and buyers to tradespeople and hobbyists—so you can rely on a single versatile tool to handle many jobs. Its world‑class quality and broad compatibility help reduce tool changes and keep production moving with consistent thread profiles and clean finishes.

  • Broad thread-standard compatibility: Supports UNC, UNF, UNEF, and UNS left-hand external threads, reducing tool changes and keeping your workflow efficient.
  • Precision laydown triangular design: Delivers consistent, predictable cuts and reliable thread profiles across a wide range of applications, from routine to demanding.
  • Easy setup and reliable performance: Designed for straightforward integration with standard tooling, helping you minimize setup time and maintain steady, repeatable results.

By choosing this insert, you simplify tooling needs, speed up threading tasks, and achieve dependable results across diverse projects. It supports a smoother workflow, fewer reworks, and consistent thread quality—making it a practical, trustworthy choice for any shop or workspace.

Thread Type External
Thread Direction Left Hand
Thread Form UN (UNC UNF UNEF UNS)
Pitch 18
Insert Size 16 Vertical
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.

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Staff are very helpful and interested in providing a good service making us the customer feel valued.
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Staff are very helpful and polite.Goods that were in stock were dispatched same day and back orders were quick in coming through .
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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.
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Full Range: Carmex Thread Turning External Inserts - Vertical - Unified - Right/Left Hand

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You are viewing 16VEL18UNBMA. Click any other SKU to view its full details.

Product SKUThread TypeThread DirectionThread FormPitchInsert SizeGradePriceStock Order
16VEL10UNBMA ExternalLeft HandUN (UNC UNF UNEF UNS)1016 VerticalBMA£12.93 5 days
16VEL12UNBMA ExternalLeft HandUN (UNC UNF UNEF UNS)1216 VerticalBMA£12.93 5 days
16VEL14UNBMA ExternalLeft HandUN (UNC UNF UNEF UNS)1416 VerticalBMA£12.93 5 days
16VEL16UNBMA ExternalLeft HandUN (UNC UNF UNEF UNS)1616 VerticalBMA£12.93 5 days
16VEL18UNBMA ViewingExternalLeft HandUN (UNC UNF UNEF UNS)1816 VerticalBMA£12.93 5 days
16VEL20UNBMA ExternalLeft HandUN (UNC UNF UNEF UNS)2016 VerticalBMA£12.93 5 days
16VEL24UNBMA ExternalLeft HandUN (UNC UNF UNEF UNS)2416 VerticalBMA£12.93 5 days
16VEL28UNBMA ExternalLeft HandUN (UNC UNF UNEF UNS)2816 VerticalBMA£12.93 5 days
16VEL32UNBMA ExternalLeft HandUN (UNC UNF UNEF UNS)3216 VerticalBMA£12.93 5 days
16VEL8UNBMA ExternalLeft HandUN (UNC UNF UNEF UNS)816 VerticalBMA£12.93 5 days
16VER10UNBMA ExternalRight HandUN (UNC UNF UNEF UNS)1016 VerticalBMA£12.93 5 days
16VER12UNBMA ExternalRight HandUN (UNC UNF UNEF UNS)1216 VerticalBMA£12.93 5 days
16VER14UNBMA ExternalRight HandUN (UNC UNF UNEF UNS)1416 VerticalBMA£12.93 5 days
16VER16UNBMA ExternalRight HandUN (UNC UNF UNEF UNS)1616 VerticalBMA£12.93 5 days
16VER18UNBMA ExternalRight HandUN (UNC UNF UNEF UNS)1816 VerticalBMA£11.00 In Stock
16VER20UNBMA ExternalRight HandUN (UNC UNF UNEF UNS)2016 VerticalBMA£12.93 5 days
16VER24UNBMA ExternalRight HandUN (UNC UNF UNEF UNS)2416 VerticalBMA£12.93 In Stock
16VER28UNBMA ExternalRight HandUN (UNC UNF UNEF UNS)2816 VerticalBMA£12.93 5 days
16VER32UNBMA ExternalRight HandUN (UNC UNF UNEF UNS)3216 VerticalBMA£12.93 5 days
16VER8UNBMA ExternalRight HandUN (UNC UNF UNEF UNS)816 VerticalBMA£12.93 In Stock