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

Carmex Thread Turning External Insert - Metric - Left Hand - 11EL1.25ISOK20

11EL1.25ISOK20 - Carmex Thread Turning External Insert - Metric - Left Hand

SKU:11EL1.25ISOK20

Carmex Thread Turning External Insert (Metric, Left Hand) is designed for external threading tasks across a wide range of thread standards. This high-quality, laydown triangular insert delivers r... Read more ↓
N
S
Thread TypeExternal
Thread DirectionLeft Hand
Thread FormMetric
Pitch1.25
View all specifications ↓
Download Cutting Data
£8.60
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, Left Hand) is designed for external threading tasks across a wide range of thread standards. This high-quality, laydown triangular insert delivers reliable performance from basic jobs to the most demanding applications, making it a versatile tool for engineers, machinists, and workshops.

  • Broad thread compatibility: Designed to cover the majority of thread standards in use today, reducing the need to stock multiple inserts and simplifying setup across projects.
  • Laydown triangular geometry for stability: The laydown triangular design provides stable cutting engagement, helping you achieve consistent results across different feeds and materials.
  • Metric left-handed threading optimized: Specifically suited for metric left-hand threads, enabling reliable engagement and predictable results in a range of threading operations.

With Carmex Thread Turning External Insert, you gain a versatile tool that simplifies threading work, reduces setup time, and delivers consistent external-thread results across multiple standards. The tool's robust design supports demanding applications while keeping operations smooth and predictable, helping you complete projects faster and with better surface quality.

Part Numbers

Protool Part Number
11EL1.25ISOK20
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 6 →