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Carmex Thread Turning External Insert - Metric - Right Hand - 16ER2.5ISOK20

16ER2.5ISOK20 - Carmex Thread Turning External Insert - Metric - Right Hand

SKU:16ER2.5ISOK20

The Carmex Thread Turning External Insert (Metric - Right Hand - 16ER2.5ISOK20) is a metric, right-hand cutting insert designed for external threading on workpieces. Its broad compatibility lets ... Read more ↓
N
S
Thread TypeExternal
Thread DirectionRight Hand
Thread FormMetric
Pitch2.5
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£7.74
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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01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Description

The Carmex Thread Turning External Insert (Metric - Right Hand - 16ER2.5ISOK20) is a metric, right-hand cutting insert designed for external threading on workpieces. Its broad compatibility lets you tackle a wide range of thread standards with a single tool, helping you speed up setup and reduce tool changes on diverse jobs.

Ideal for engineers, machinists, toolmakers, and maintenance teams, this high-quality laydown triangular insert delivers reliable performance from simple to demanding threading tasks. Its robust design is built to perform in everyday workshop environments as well as busy production settings.

  • Broad thread-standard compatibility: Covers the majority of thread standards in use today, so you can complete many threading tasks with one insert and minimize tool changes.
  • Triangular laydown geometry for stability: The laydown triangular shape provides stable engagement and effective chip control across different thread profiles.
  • Industry-leading quality and reliability: Recognized worldwide for high quality, these inserts are designed to deliver consistent performance across basic to demanding applications.

With this insert, you simplify your threading workflow: fewer tool changes, lower inventory requirements, and more predictable results across metric right-hand threads. The combination of universal compatibility and reliable performance helps you complete more work in less time while maintaining high accuracy and finish quality across a broad range of applications.

Part Numbers

Protool Part Number
16ER2.5ISOK20
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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