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Carmex Thread Turning Internal Insert - Metric - Right Hand - 16IR3.5ISOBLU

16IR3.5ISOBLU - Carmex Thread Turning Internal Insert - Metric - Right Hand

SKU:16IR3.5ISOBLU

The Carmex Thread Turning Internal Insert is a metric, right-hand insert designed for precision internal threading on a wide range of machines. Built to fit into Carmex’s industry-leading family ... Read more ↓
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Thread TypeInternal
Thread DirectionRight Hand
Thread FormMetric
Pitch3.5
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£10.44
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

The Carmex Thread Turning Internal Insert is a metric, right-hand insert designed for precision internal threading on a wide range of machines. Built to fit into Carmex’s industry-leading family of thread turning inserts, it provides a reliable solution for internal threads with a simple, straightforward approach.

Part of an industry-leading line recognized worldwide, this laydown triangular insert is designed to cover the majority of thread standards available today, delivering dependable performance from everyday jobs to more demanding production tasks.

  • Broad compatibility with metric internal thread standards: Designed to cover the majority of thread standards, reducing tool changes and simplifying inventory for diverse threading work.
  • Triangular laydown geometry for consistent results: The laydown triangular design supports stable, reliable cutting across a wide range of applications for accurate internal threads.
  • Proven quality with global recognition: Part of Carmex’s industry-leading range, delivering durable performance that engineers and technicians can trust for both basic and demanding tasks.

This insert helps streamline your workflow by enabling versatile internal threading with fewer changes, consistent thread quality, and dependable durability across projects. Ideal for professionals and hobbyists alike, it supports efficient setup, reliable results, and long tool life, so you can complete more work with confidence and minimal downtime.

Part Numbers

Protool Part Number
16IR3.5ISOBLU
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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