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

Carmex Thread Turning External Insert - Metric - Right Hand - 11ER0.4ISOK20

11ER0.4ISOK20 - Carmex Thread Turning External Insert - Metric - Right Hand

SKU:11ER0.4ISOK20

Carmex Thread Turning External Insert - Metric - Right Hand - 11ER0.4ISOK20 is a versatile threading tool that belongs to our industry-leading range of thread turning inserts. The laydown triangu... Read more ↓
N
S
Thread TypeExternal
Thread DirectionRight Hand
Thread FormMetric
Pitch0.4
View all specifications ↓
Download Cutting Data
£11.13
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.
Learn more about Klarna
Speak to our team
01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Description

Carmex Thread Turning External Insert - Metric - Right Hand - 11ER0.4ISOK20 is a versatile threading tool that belongs to our industry-leading range of thread turning inserts. The laydown triangular design is engineered to provide a reliable solution for the majority of thread standards in use today, making it a single, adaptable choice for many shops.

Designed for a wide audience—from engineers and machinists to hobbyists—the insert handles routine to demanding external threading tasks while delivering predictable, repeatable results on metric, right-hand threads.

  • Broad thread-standards compatibility: Covers the majority of thread standards with a single laydown triangular insert, helping you reduce tool changes and simplify your tool crib.
  • Triangular laydown geometry for stable cutting: The geometry promotes steady engagement and consistent results across a range of thread profiles, helping achieve a smooth finish on diverse jobs.
  • Right-hand metric external threading designed: Specifically oriented for right-hand external threads in metric sizes, ensuring correct thread form, reliable operation, and straightforward setup on compatible machines.

This Carmex insert supports streamlined workflows, dependable results, and durable performance in everyday production. By standardizing on a versatile external insert, you can improve part consistency, reduce downtime from tooling changes, and rely on established quality across a broad range of threading tasks.

Part Numbers

Protool Part Number
11ER0.4ISOK20
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

Tooling and consumables that work with this product.
All 7 →