Please log in here to access all benefits, including promotional discounts and faster checkouts.
Carmex Thread Turning Internal Insert - W (BSW BSF BSP BSB) - Left Hand - 11IL56WBMA
SKU:11IL56WBMA
The Carmex Thread Turning Internal Insert is a left-handed cutting insert designed for internal threading operations. In the W family, it supports BSW, BSF, BSP and BSB thread forms, giving you a ...
Read more ↓
Material Compatibility
P
M
K
S
H
Specifications at a glance
View all specifications ↓
Download Cutting Data
| Thread Type | Internal |
| Thread Direction | Left Hand |
| Thread Form | W (BSW BSF BSP BSB) |
| Pitch | 56 |
£10.53
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.
Learn more about Klarna
Learn more about Klarna
Compatible holders
The ones our customers buy most.
Description
The Carmex Thread Turning Internal Insert is a left-handed cutting insert designed for internal threading operations. In the W family, it supports BSW, BSF, BSP and BSB thread forms, giving you a single tool option for multiple standards.
These laydown triangular inserts are built for reliability across a wide range of applications—from simple, routine threading to more demanding tasks—providing stable cutting and consistent results in a compact, replaceable insert package.
- Multi-standards compatibility: Works with BSW, BSF, BSP, and BSB internal thread forms, reducing tool changes and inventory needs.
- Left-hand threading optimized: Specifically designed for left-handed threads, enabling predictable engagement and clean finishes.
- Rigid triangular laydown geometry: Delivers stability, improved finishing, and reliable performance across different materials and depths.
With this insert, you can streamline internal threading work, achieve accurate threads with consistent results, and extend tool life to reduce downtime. Its versatility and dependable performance support faster cycles and higher-quality finishes across a range of manufacturing, maintenance, and repair tasks.
Part Numbers
- Protool Part Number
- 11IL56WBMA
- 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.
Ask our technical team about this tool
Full Range: Carmex Thread Turning Internal Inserts - Whitworth - Right/Left Hand
View full collection →You are viewing 11IL56WBMA. 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 | £8.90 | 5 days | |
| 06IR18WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 18 | 6 | BMA | £11.60 | In Stock | |
| 06IR18WBXC | Internal | Right Hand | W (BSW BSF BSP BSB) | 18 | 6 | BXC | £11.60 | 5 days | |
| 06IR20WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 20 | 6 | BMA | £11.60 | In Stock | |
| 06IR20WBXC | Internal | Right Hand | W (BSW BSF BSP BSB) | 20 | 6 | BXC | £11.60 | 5 days | |
| 06IR22WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 22 | 6 | BMA | £11.60 | In Stock | |
| 06IR26WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 26 | 6 | BMA | £11.60 | In Stock | |
| 08IL18WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 18 | 8 | BMA | £8.90 | 5 days | |
| 08IL19WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 19 | 8 | BMA | £8.90 | In Stock | |
| 08IL20WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 20 | 8 | BMA | £13.88 | 5 days | |
| 08IL24WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 24 | 8 | BMA | £8.90 | In Stock | |
| 08IL28WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 28 | 8 | BMA | £8.90 | 5 days | |
| 08IR16WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 16 | 8 | BMA | £11.60 | 5 days | |
| 08IR18WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 18 | 8 | BMA | £11.60 | 5 days | |
| 08IR19WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 19 | 8 | BMA | £11.60 | In Stock | |
| 08IR20WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 20 | 8 | BMA | £11.60 | 5 days | |
| 08IR24WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 24 | 8 | BMA | £11.60 | 5 days | |
| 08IR28WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 28 | 8 | BMA | £11.60 | In Stock | |
| 11IL11WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 11 | 11 | BMA | £8.10 | 5 days | |
| 11IL12WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 12 | 11 | BMA | £8.10 | 5 days | |
| 11IL14WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 14 | 11 | BMA | £10.55 | 5 days | |
| 11IL16WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 16 | 11 | BMA | £10.55 | 5 days | |
| 11IL18WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 18 | 11 | BMA | £8.10 | 5 days | |
| 11IL19WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 19 | 11 | BMA | £10.55 | 5 days | |
| 11IL20WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 20 | 11 | BMA | £8.10 | In Stock | |
| 11IL22WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 22 | 11 | BMA | £8.10 | 5 days | |
| 11IL24WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 24 | 11 | BMA | £8.10 | In Stock | |
| 11IL26WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 26 | 11 | BMA | £8.10 | 5 days | |
| 11IL28WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 28 | 11 | BMA | £8.10 | 5 days | |
| 11IL32WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 32 | 11 | BMA | £8.10 | 5 days | |
| 11IL36WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 36 | 11 | BMA | £10.53 | 5 days | |
| 11IL40WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 40 | 11 | BMA | £10.53 | 5 days | |
| 11IL48WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 48 | 11 | BMA | £10.53 | 5 days | |
| 11IL56WBMA Viewing | Internal | Left Hand | W (BSW BSF BSP BSB) | 56 | 11 | BMA | £10.53 | 5 days | |
| 11IL60WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 60 | 11 | BMA | £10.53 | 5 days | |
| 11IL72WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 72 | 11 | BMA | £10.53 | 5 days | |
| 11IR11WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 11 | 11 | BMA | £10.55 | In Stock | |
| 11IR12WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 12 | 11 | BMA | £10.55 | In Stock | |
| 11IR14WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 14 | 11 | BMA | £10.55 | 5 days | |
| 11IR16WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 16 | 11 | BMA | £10.55 | In Stock | |
| 11IR18WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 18 | 11 | BMA | £10.55 | In Stock | |
| 11IR19WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 19 | 11 | BMA | £10.55 | 5 days | |
| 11IR20WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 20 | 11 | BMA | £10.55 | In Stock | |
| 11IR22WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 22 | 11 | BMA | £10.55 | In Stock | |
| 11IR24WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 24 | 11 | BMA | £10.55 | In Stock | |
| 11IR26WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 26 | 11 | BMA | £10.55 | In Stock | |
| 11IR28WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 28 | 11 | BMA | £10.55 | In Stock | |
| 11IR32WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 32 | 11 | BMA | £10.55 | 5 days | |
| 11IR36WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 36 | 11 | BMA | £13.68 | In Stock | |
| 11IR40WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 40 | 11 | BMA | £10.55 | 5 days | |
| 11IR48WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 48 | 11 | BMA | £10.53 | 5 days | |
| 11IR56WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 56 | 11 | BMA | £10.53 | 5 days | |
| 11IR60WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 60 | 11 | BMA | £10.53 | 5 days | |
| 11IR72WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 72 | 11 | BMA | £10.53 | 5 days | |
| 16IL10WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 10 | 16 | BMA | £7.29 | 5 days | |
| 16IL11WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 11 | 16 | BMA | £9.50 | 5 days | |
| 16IL12WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 12 | 16 | BMA | £9.50 | 5 days | |
| 16IL14WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 14 | 16 | BMA | £9.50 | 5 days | |
| 16IL16WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 16 | 16 | BMA | £7.29 | 5 days | |
| 16IL18WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 18 | 16 | BMA | £7.29 | 5 days | |
| 16IL19WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 19 | 16 | BMA | £7.29 | 5 days | |
| 16IL20WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 20 | 16 | BMA | £9.50 | 5 days | |
| 16IL22WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 22 | 16 | BMA | £9.50 | In Stock | |
| 16IL24WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 24 | 16 | BMA | £7.29 | 5 days | |
| 16IL26WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 26 | 16 | BMA | £7.29 | 5 days | |
| 16IL28WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 28 | 16 | BMA | £7.29 | 5 days | |
| 16IL32WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 32 | 16 | BMA | £7.29 | 5 days | |
| 16IL36WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 36 | 16 | BMA | £9.47 | 5 days | |
| 16IL40WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 40 | 16 | BMA | £9.47 | 5 days | |
| 16IL48WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 48 | 16 | BMA | £9.47 | 5 days | |
| 16IL56WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 56 | 16 | BMA | £9.47 | 5 days | |
| 16IL60WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 60 | 16 | BMA | £9.47 | 5 days | |
| 16IL72WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 72 | 16 | BMA | £9.47 | 5 days | |
| 16IL8WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 8 | 16 | BMA | £7.29 | 5 days | |
| 16IL9WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 9 | 16 | BMA | £7.29 | 5 days | |
| 16IR10WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 10 | 16 | BMA | £9.50 | In Stock | |
| 16IR11WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 11 | 16 | BMA | £9.50 | In Stock | |
| 16IR12WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 12 | 16 | BMA | £9.50 | In Stock | |
| 16IR14WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 14 | 16 | BMA | £9.50 | In Stock | |
| 16IR16WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 16 | 16 | BMA | £9.50 | In Stock | |
| 16IR18WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 18 | 16 | BMA | £9.50 | In Stock | |
| 16IR19WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 19 | 16 | BMA | £9.50 | In Stock | |
| 16IR20WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 20 | 16 | BMA | £9.50 | In Stock | |
| 16IR22WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 22 | 16 | BMA | £9.50 | In Stock | |
| 16IR24WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 24 | 16 | BMA | £9.50 | In Stock | |
| 16IR26WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 26 | 16 | BMA | £9.50 | In Stock | |
| 16IR28WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 28 | 16 | BMA | £9.50 | In Stock | |
| 16IR32WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 32 | 16 | BMA | £9.50 | In Stock | |
| 16IR36WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 36 | 16 | BMA | £12.31 | In Stock | |
| 16IR40WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 40 | 16 | BMA | £9.50 | In Stock | |
| 16IR48WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 48 | 16 | BMA | £9.50 | In Stock | |
| 16IR56WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 56 | 16 | BMA | £9.47 | 5 days | |
| 16IR60WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 60 | 16 | BMA | £9.47 | 5 days | |
| 16IR72WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 72 | 16 | BMA | £9.47 | 5 days | |
| 16IR8WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 8 | 16 | BMA | £9.50 | In Stock | |
| 16IR9WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 9 | 16 | BMA | £9.50 | In Stock | |
| 22IL5WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 5 | 22 | BMA | £10.69 | 5 days | |
| 22IL6WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 6 | 22 | BMA | £10.69 | 5 days | |
| 22IL7WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 7 | 22 | BMA | £10.69 | 5 days | |
| 22IR5WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 5 | 22 | BMA | £13.93 | In Stock | |
| 22IR6WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 6 | 22 | BMA | £13.93 | In Stock | |
| 22IR7WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 7 | 22 | BMA | £13.93 | In Stock | |
| 27IL4.5WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 4.5 | 27 | BMA | £15.10 | 5 days | |
| 27IL4WBMA | Internal | Left Hand | W (BSW BSF BSP BSB) | 4 | 27 | BMA | £15.10 | 5 days | |
| 27IR4.5WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 4.5 | 27 | BMA | £15.10 | 5 days | |
| 27IR4WBMA | Internal | Right Hand | W (BSW BSF BSP BSB) | 4 | 27 | BMA | £19.64 | In Stock |
No products match your filters.
