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Carmex Thread Turning Internal Insert - 55 Degree Partial - Left Hand - 11ILA55K20
| Thread Type | Internal |
| Thread Direction | Left Hand |
| Thread Form | 55 Degree Partial |
| Pitch | 0.50-1.50 (48-16) |
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Description
Carmex Thread Turning Internal Insert - 55 Degree Partial - Left Hand - 11ILA55K20 is a precision internal threading insert designed to turn internal threads with clean, repeatable profiles. Its laydown triangular geometry is built to deliver reliable engagement and stable cutting across a wide range of thread standards.
Ideal for engineers, machinists, and hobbyists alike, this insert handles everything from basic internal threads to the most demanding specifications, helping you complete projects with fewer tool changes and consistent results.
- Versatile thread compatibility: Covers the majority of today’s thread standards, reducing the need for multiple inserts and enabling quick setup across a broad range of applications.
- Durable, laydown triangular design: Robust geometry and cutting edge construction provide long tool life and stable performance in a variety of materials.
- Left-hand, 55° partial geometry: Specifically optimized for left-hand internal threads and partial-depth cuts, delivering predictable chip control and consistent thread profiles.
This insert is designed to streamline your threading workflow: fewer insert changes, reliable and repeatable results, and a clear path to higher productivity on both simple and complex threading jobs.
Part Numbers
- Protool Part Number
- 11ILA55K20
- 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.
