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Carmex Thread Turning Internal Insert - W (BSW BSF BSP BSB) - Right Hand - 11IR12WBMA
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | W (BSW BSF BSP BSB) |
| Pitch | 12 |
| Insert Size | 11 |
| Grade | BMA |
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Carmex Thread Turning Internal Insert - W (BSW BSF BSP BSB) - Right Hand - 11IR12WBMA is an internal threading insert designed for right-hand threads. It’s part of Carmex’s industry-leading range of thread turning inserts, built to deliver dependable performance across a wide variety of standards and applications.
Our high-quality laydown triangular inserts provide a practical solution for the majority of thread standards in use today, spanning everything from basic projects to the most demanding threading tasks. Designed for versatility, they help you handle diverse jobs with a single, reliable insert.
- Broad thread standard compatibility: Works with BSW, BSF, BSP and BSB thread standards, enabling you to tackle multiple projects without changing inserts.
- Triangular laydown geometry for stable cutting: Optimized shape supports consistent chip formation and clean thread profiles across a wide range of materials.
- Right-hand threading optimized: Specifically engineered for right-hand threads, delivering smooth engagement and repeatable results in production settings.
This insert is designed to improve workflow and consistency across tasks, helping you complete threading work more efficiently while maintaining reliable, accurate thread forms. Its universal compatibility for common thread standards and its right-hand orientation make it a dependable choice for both maintenance and production environments.
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | W (BSW BSF BSP BSB) |
| Pitch | 12 |
| Insert Size | 11 |
| Grade | BMA |
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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 - Whitworth - Right/Left Hand
View full collection →You are viewing 11IR12WBMA. Click any other SKU to view its full details.
| Product SKU | Thread Type | Thread Direction | Thread Form | Pitch | Insert Size | Grade | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| 06IL26WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 26 | 6 | BMA | £9.43 | 5 days | |
| 06IR18WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 18 | 6 | BMA | £9.28 | In Stock | |
| 06IR18WBXC | Internal | Right Hand | W (BSW BSF BSP BSB) | 18 | 6 | BXC | £9.28 | 5 days | |
| 06IR20WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 20 | 6 | BMA | £9.28 | In Stock | |
| 06IR20WBXC | Internal | Right Hand | W (BSW BSF BSP BSB) | 20 | 6 | BXC | £9.28 | 5 days | |
| 06IR22WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 22 | 6 | BMA | £9.28 | In Stock | |
| 06IR26WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 26 | 6 | BMA | £9.28 | In Stock | |
| 08IL18WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 18 | 8 | BMA | £9.43 | 5 days | |
| 08IL19WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 19 | 8 | BMA | £9.43 | In Stock | |
| 08IL20WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 20 | 8 | BMA | £11.10 | 5 days | |
| 08IL24WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 24 | 8 | BMA | £9.43 | In Stock | |
| 08IL28WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 28 | 8 | BMA | £9.43 | 5 days | |
| 08IR16WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 16 | 8 | BMA | £9.28 | 5 days | |
| 08IR18WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 18 | 8 | BMA | £9.28 | 5 days | |
| 08IR19WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 19 | 8 | BMA | £9.28 | In Stock | |
| 08IR20WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 20 | 8 | BMA | £9.28 | 5 days | |
| 08IR24WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 24 | 8 | BMA | £9.28 | 5 days | |
| 08IR28WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 28 | 8 | BMA | £9.28 | In Stock | |
| 11IL11WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 11 | 11 | BMA | £8.59 | 5 days | |
| 11IL12WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 12 | 11 | BMA | £8.59 | 5 days | |
| 11IL14WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 14 | 11 | BMA | £8.44 | 5 days | |
| 11IL16WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 16 | 11 | BMA | £8.44 | 5 days | |
| 11IL18WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 18 | 11 | BMA | £8.59 | 5 days | |
| 11IL19WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 19 | 11 | BMA | £8.44 | 5 days | |
| 11IL20WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 20 | 11 | BMA | £8.59 | In Stock | |
| 11IL22WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 22 | 11 | BMA | £8.59 | 5 days | |
| 11IL24WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 24 | 11 | BMA | £8.59 | In Stock | |
| 11IL26WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 26 | 11 | BMA | £8.59 | 5 days | |
| 11IL28WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 28 | 11 | BMA | £8.59 | 5 days | |
| 11IL32WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 32 | 11 | BMA | £8.59 | 5 days | |
| 11IL36WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 36 | 11 | BMA | £11.16 | 5 days | |
| 11IL40WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 40 | 11 | BMA | £11.16 | 5 days | |
| 11IL48WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 48 | 11 | BMA | £11.16 | 5 days | |
| 11IL56WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 56 | 11 | BMA | £11.16 | 5 days | |
| 11IL60WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 60 | 11 | BMA | £11.16 | 5 days | |
| 11IL72WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 72 | 11 | BMA | £11.16 | 5 days | |
| 11IR11WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 11 | 11 | BMA | £8.44 | In Stock | |
| 11IR12WBMA Viewing | Internal | Right Hand | W (BSW BSF BSP BSB) | 12 | 11 | BMA | £8.44 | In Stock | |
| 11IR14WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 14 | 11 | BMA | £8.44 | 5 days | |
| 11IR16WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 16 | 11 | BMA | £8.44 | In Stock | |
| 11IR18WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 18 | 11 | BMA | £8.44 | In Stock | |
| 11IR19WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 19 | 11 | BMA | £8.44 | 5 days | |
| 11IR20WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 20 | 11 | BMA | £8.44 | In Stock | |
| 11IR22WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 22 | 11 | BMA | £8.44 | In Stock | |
| 11IR24WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 24 | 11 | BMA | £8.44 | In Stock | |
| 11IR26WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 26 | 11 | BMA | £8.44 | In Stock | |
| 11IR28WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 28 | 11 | BMA | £8.44 | In Stock | |
| 11IR32WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 32 | 11 | BMA | £8.44 | 5 days | |
| 11IR36WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 36 | 11 | BMA | £10.94 | In Stock | |
| 11IR40WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 40 | 11 | BMA | £8.44 | 5 days | |
| 11IR48WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 48 | 11 | BMA | £11.16 | 5 days | |
| 11IR56WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 56 | 11 | BMA | £11.16 | 5 days | |
| 11IR60WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 60 | 11 | BMA | £11.16 | 5 days | |
| 11IR72WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 72 | 11 | BMA | £11.16 | 5 days | |
| 16IL10WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 10 | 16 | BMA | £8.59 | 5 days | |
| 16IL11WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 11 | 16 | BMA | £8.44 | 5 days | |
| 16IL12WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 12 | 16 | BMA | £8.44 | 5 days | |
| 16IL14WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 14 | 16 | BMA | £8.44 | 5 days | |
| 16IL16WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 16 | 16 | BMA | £8.59 | 5 days | |
| 16IL18WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 18 | 16 | BMA | £8.59 | 5 days | |
| 16IL19WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 19 | 16 | BMA | £8.59 | 5 days | |
| 16IL20WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 20 | 16 | BMA | £8.44 | 5 days | |
| 16IL22WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 22 | 16 | BMA | £8.44 | In Stock | |
| 16IL24WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 24 | 16 | BMA | £8.59 | 5 days | |
| 16IL26WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 26 | 16 | BMA | £8.59 | 5 days | |
| 16IL28WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 28 | 16 | BMA | £8.59 | 5 days | |
| 16IL32WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 32 | 16 | BMA | £8.59 | 5 days | |
| 16IL36WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 36 | 16 | BMA | £11.16 | 5 days | |
| 16IL40WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 40 | 16 | BMA | £11.16 | 5 days | |
| 16IL48WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 48 | 16 | BMA | £11.16 | 5 days | |
| 16IL56WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 56 | 16 | BMA | £11.16 | 5 days | |
| 16IL60WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 60 | 16 | BMA | £11.16 | 5 days | |
| 16IL72WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 72 | 16 | BMA | £11.16 | 5 days | |
| 16IL8WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 8 | 16 | BMA | £8.59 | 5 days | |
| 16IL9WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 9 | 16 | BMA | £8.59 | 5 days | |
| 16IR10WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 10 | 16 | BMA | £8.44 | In Stock | |
| 16IR11WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 11 | 16 | BMA | £8.44 | In Stock | |
| 16IR12WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 12 | 16 | BMA | £8.44 | In Stock | |
| 16IR14WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 14 | 16 | BMA | £8.44 | In Stock | |
| 16IR16WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 16 | 16 | BMA | £8.44 | In Stock | |
| 16IR18WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 18 | 16 | BMA | £8.44 | In Stock | |
| 16IR19WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 19 | 16 | BMA | £8.44 | In Stock | |
| 16IR20WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 20 | 16 | BMA | £8.44 | In Stock | |
| 16IR22WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 22 | 16 | BMA | £8.44 | In Stock | |
| 16IR24WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 24 | 16 | BMA | £8.44 | In Stock | |
| 16IR26WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 26 | 16 | BMA | £8.44 | In Stock | |
| 16IR28WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 28 | 16 | BMA | £8.44 | In Stock | |
| 16IR32WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 32 | 16 | BMA | £8.44 | In Stock | |
| 16IR36WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 36 | 16 | BMA | £10.94 | In Stock | |
| 16IR40WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 40 | 16 | BMA | £8.44 | In Stock | |
| 16IR48WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 48 | 16 | BMA | £8.44 | In Stock | |
| 16IR56WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 56 | 16 | BMA | £11.16 | 5 days | |
| 16IR60WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 60 | 16 | BMA | £11.16 | 5 days | |
| 16IR72WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 72 | 16 | BMA | £11.16 | 5 days | |
| 16IR8WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 8 | 16 | BMA | £8.44 | In Stock | |
| 16IR9WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 9 | 16 | BMA | £8.44 | In Stock | |
| 22IL5WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 5 | 22 | BMA | £12.59 | 5 days | |
| 22IL6WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 6 | 22 | BMA | £12.59 | 5 days | |
| 22IL7WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 7 | 22 | BMA | £12.59 | 5 days | |
| 22IR5WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 5 | 22 | BMA | £12.38 | In Stock | |
| 22IR6WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 6 | 22 | BMA | £12.38 | In Stock | |
| 22IR7WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 7 | 22 | BMA | £12.38 | In Stock | |
| 27IL4.5WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 4.5 | 27 | BMA | £17.79 | 5 days | |
| 27IL4WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 4 | 27 | BMA | £17.79 | 5 days | |
| 27IR4.5WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 4.5 | 27 | BMA | £17.79 | 5 days | |
| 27IR4WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 4 | 27 | BMA | £17.46 | In Stock |
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