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


Carmex Thread Turning External Insert - Butress Casing - Right Hand - 22ER5BUT1.0BMA
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | Butress Casing |
| Pitch | 1 |
| Insert Size | 22 |
| Grade | BMA |
Learn more about Klarna
Carmex Thread Turning External Insert with Butress Casing, Right Hand, model 22ER5BUT1.0BMA, is a versatile external thread turning insert designed for a wide range of thread standards. Part of an industry-leading family, its laydown triangular geometry provides a single, reliable solution for many threading tasks, from simple to demanding.
Designed for a broad audience—from engineers and machinists to buyers and hobbyists—this insert delivers predictable, repeatable results and straightforward integration into standard tool holders. Its right-hand buttress casing is built for secure seating and stable performance across diverse materials and applications.
- Broad thread-standard compatibility: Covers the majority of thread standards in use today, reducing the need for multiple inserts and simplifying inventory planning.
- Triangular laydown geometry for consistent results: The laydown triangle shape promotes stable cutting action, helping you achieve clean threads and a smooth finish with less variance.
- Right-hand buttress casing for secure fit: Designed for secure seating in standard holders, delivering reliable rigidity and dependable performance in demanding threading operations.
This Carmex external insert helps streamline threading workflows by delivering consistent thread profiles, easy tool setup, and dependable performance across a wide range of applications. Whether your project calls for quick turnaround or precise, high-quality threads, this insert provides a trustworthy, single-solution option that keeps production moving.
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | Butress Casing |
| Pitch | 1 |
| Insert Size | 22 |
| Grade | BMA |
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.