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Carmex Thread Turning Internal Insert - W (BSW BSF BSP BSB) - Right Hand - 08IR20WBMA
SKU:08IR20WBMA
Carmex Thread Turning Internal Insert - W (BSW BSF BSP BSB) - Right Hand - 08IR20WBMA is part of our industry-leading range of thread turning inserts. These high-quality laydown triangular insert...
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Material Compatibility
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Specification
Download Cutting Data
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | W (BSW BSF BSP BSB) |
| Pitch | 20 |
| Insert Size | 8 |
| Grade | BMA |
£9.28
Prices shown ex. VAT
5 days estimated lead time
— subject to availability
View Other Sizes →
Free delivery over £50 ex VAT
Secure checkout
14-day returns
30+ years expertise
Pay in 3 interest-free instalments. No extra cost if paid on time. 18+ only.
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Carmex Thread Turning Internal Insert - W (BSW BSF BSP BSB) - Right Hand - 08IR20WBMA is part of our industry-leading range of thread turning inserts. These high-quality laydown triangular inserts are designed to cover the majority of thread standards available today, delivering reliable performance across a wide range of applications—from basic threading tasks to more demanding jobs.
Designed for practical use in both workshop and production environments, this internal insert supports BSW, BSF, BSP and BSB threads, allowing you to complete diverse projects with a single tool and reduce tooling inventory.
- Broad compatibility with major thread standards: Supports BSW, BSF, BSP, and BSB internal threads, enabling a single insert to tackle multiple projects and reducing tool changes.
- Stable laydown triangular geometry for precision finishes: The laydown triangular shape provides rigidity and efficient chip control, delivering clean internal threads and reducing chatter across a variety of materials.
- Right-hand threading optimized for reliability: Specifically engineered for right-hand threads, delivering predictable cutting action, consistent results, and longer tool life in daily production tasks.
This combination helps you complete more work with confidence: fewer tool changes, fewer rejects, and more consistent thread quality that improves overall workflow and throughput.
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | W (BSW BSF BSP BSB) |
| Pitch | 20 |
| Insert Size | 8 |
| 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.
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honest about stock and prices are competitive.
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Staff are very helpful and polite.Goods that were in stock were dispatched same day and back orders were quick in coming through .
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Buying experience
Phone requests are handled quickly and without any fuss. The website is easy to use and straightforward to order from. It’s especially helpful that it shows real‑time availability, so we don’t need to call to confirm whether parts will arrive.
Full Range: Carmex Thread Turning Internal Inserts - Whitworth - Right/Left Hand
View full collection →You are viewing 08IR20WBMA. 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 Viewing | 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 | 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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