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Carmex Thread Turning Internal Insert - W (BSW BSF BSP BSB) - Right Hand - 11IRB20WBMA
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | W (BSW BSF BSP BSB) |
| Pitch | 20 |
| Insert Size | 11 |
| Grade | BMA |
Learn more about Klarna
Carmex Thread Turning Internal Insert – W is a versatile cutting insert designed for internal thread turning across a wide range of thread standards. It’s ideal for engineers, machinists, and maintenance teams who need dependable, repeatable internal threads on both simple and demanding jobs. This right-hand version supports BSW, BSF, BSP, and BSB threading, helping you consolidate tooling without sacrificing performance.
Part of Carmex’s industry-leading thread turning range, these laydown triangular inserts are built to deliver stable cutting action, clean thread profiles, and long tool life. Their geometry is optimized for reliable performance from light-duty prototypes to tougher production work, keeping your workflows smooth and predictable.
- Broad thread compatibility: Supports BSW, BSF, BSP, and BSB with right-hand orientation, reducing tool changes and simplifying inventory so you can complete more work with fewer interruptions.
- Triangular laydown geometry: Provides stable cutting and efficient chip control, contributing to smoother finishes and longer insert life across a variety of threading tasks.
- Consistent, reliable results: Engineered for dependable performance from basic to demanding applications, helping you achieve repeatable threads and fewer reworks.
This insert is designed to streamline internal threading work, enabling faster setups, fewer tool changes, and consistently accurate results. With broad standards support and a robust cutting geometry, it helps you finish threaded components more efficiently while maintaining high-quality finishes and longer tool life.
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | W (BSW BSF BSP BSB) |
| Pitch | 20 |
| Insert Size | 11 |
| 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.
Full Range: Carmex Thread Turning Internal Inserts - BType - Whitworth - Right Hand
View full collection →You are viewing 11IRB20WBMA. Click any other SKU to view its full details.
| Product SKU | Thread Type | Thread Direction | Thread Form | Pitch | Insert Size | Grade | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| 11IRB14WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 14 | 11 | BMA | £8.44 | 5 days | |
| 11IRB16WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 16 | 11 | BMA | £8.59 | 5 days | |
| 11IRB18WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 18 | 11 | BMA | £8.59 | 5 days | |
| 11IRB19WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 19 | 11 | BMA | £8.59 | 5 days | |
| 11IRB20WBMA Viewing | Internal | Right Hand | W (BSW BSF BSP BSB) | 20 | 11 | BMA | £8.59 | 5 days | |
| 11IRB24WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 24 | 11 | BMA | £8.59 | 5 days | |
| 11IRB28WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 28 | 11 | BMA | £8.59 | 5 days | |
| 16IRB10WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 10 | 16 | BMA | £8.44 | 5 days | |
| 16IRB11WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 11 | 16 | BMA | £8.44 | 5 days | |
| 16IRB14WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 14 | 16 | BMA | £8.44 | 5 days | |
| 16IRB16WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 16 | 16 | BMA | £8.44 | 5 days | |
| 16IRB19WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 19 | 16 | BMA | £8.44 | 5 days |
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