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Carmex Thread Turning Internal Insert - 55 Degree Partial - Right Hand - 11IRA55BLU
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | 55 Degree Partial |
| Pitch | 0.50-1.50 (48-16) |
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Description
Carmex Thread Turning Internal Insert, 55° Partial, Right Hand (model 11IRA55BLU), is a compact cutting insert designed for internal threading tasks. Its triangular, laydown geometry delivers stable, controlled cuts and helps produce precise threads across a range of materials. Ideal for engineers, machinists, tradespeople, and hobbyists tackling internal-thread work, it supports efficient setups and dependable results.
Our industry‑leading range of thread turning inserts is recognized worldwide. This insert provides a practical solution for the majority of thread standards used today, from straightforward jobs to more demanding applications.
- Broad thread compatibility: Covers the majority of thread standards in use today, reducing the need for multiple inserts and speeding up setup and changeover.
- Durable, precision-cut geometry: Laydown triangular design delivers stable cutting action for consistent thread profiles and longer tool life across a variety of materials.
- Right-hand, 55° geometry: Optimized for internal threading from the right-hand side, delivering predictable, repeatable results with minimal setup adjustments.
This insert is designed to help you complete internal threading tasks with confidence, improve workflow efficiency, and achieve reliable results job after job. Its proven geometry and broad compatibility make it a dependable choice for both production environments and more specialized projects.
Part Numbers
- Protool Part Number
- 11IRA55BLU
- 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.
