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11EL1.75ISOBMA - Carmex Thread Turning External Insert - Metric - Left Hand
| Thread Type | External |
| Thread Direction | Left Hand |
| Thread Form | Metric |
| Pitch | 1.75 |
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Description
Carmex Thread Turning External Insert, Metric - Left Hand (Model 11EL1.75ISOBMA), is part of our industry-leading range of thread turning inserts. These laydown triangular inserts are designed to handle a wide array of thread standards, providing a reliable, single solution for many jobs.
Whether you're an engineer, machinist, or shop-floor technician, this insert delivers consistent external threading performance from simple projects to demanding production runs.
- Broad thread compatibility: These inserts cover the majority of thread standards in use today, reducing tool changes and simplifying inventory so you can move from one job to the next without swapping inserts.
- Left-hand metric threading support: Optimized for external turning of metric left-hand threads, providing reliable engagement and a consistent thread form across materials.
- Laydown triangular geometry for stable cutting: The laydown triangular shape delivers stable cutting action, efficient chip control, and smoother finishes on threaded components.
This Carmex insert helps you streamline your threading workflow: fewer tool changes, reliable results across a broad range of standards, and consistently high-quality threads from prototype parts to high-volume production. Built for durability and repeatable performance, it supports faster setups, reduced downtime, and greater confidence in every job.
Part Numbers
- Protool Part Number
- 11EL1.75ISOBMA
- 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.
