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Carmex Thread Turning External Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand - 16ER64UNK20

16ER64UNK20 - Carmex Thread Turning External Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand

SKU:16ER64UNK20

Carmex Thread Turning External Insert is an industry-leading solution designed for cutting external threads on right-hand UNC, UNF, UNEF, and UNS standards. This laydown triangular insert is buil... Read more ↓
N
S
Thread TypeExternal
Thread DirectionRight Hand
Thread FormUN (UNC UNF UNEF UNS)
Pitch64
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£10.01
per item · pack of 10
Prices shown ex. VAT
5 days estimated lead time — subject to availability
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 External Insert is an industry-leading solution designed for cutting external threads on right-hand UNC, UNF, UNEF, and UNS standards. This laydown triangular insert is built to cover the majority of common thread standards, helping shops simplify tooling and reduce the need for multiple inserts. It’s suitable for engineers, buyers, tradespeople, and hobbyists who need reliable, consistent threading performance.

Whether you’re handling basic threading tasks or tackling demanding applications, this insert delivers steady cuts, clean thread profiles, and predictable results. Its design supports easy indexing and stable operation across a wide range of threading jobs, enabling smooth workflows on the shop floor.

  • Broad UN thread standard compatibility: One insert supports UNC, UNF, UNEF, and UNS right-hand threads, reducing tool changes and inventory complexity.
  • Triangular laydown geometry for stability: Optimized cutting geometry minimizes chatter and delivers clean, consistent threads across various materials.
  • Durable, high-quality construction: Built to withstand demanding use, providing long service life and reliable performance in routine and more challenging threading tasks.

This external thread turning insert helps you streamline setup, cut accurate threads faster, and maintain consistent results over long runs. By covering multiple thread standards in a single insert, it reduces downtime, simplifies stocking, and supports dependable performance from the first cut to the last. Whether producing precision fasteners or preparing components for assembly, this insert delivers dependable results across the most common UNC, UNF, UNEF, and UNS right-hand threads.

Part Numbers

Protool Part Number
16ER64UNK20
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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