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Carmex Thread Turning External Insert - 55 Degree Partial - Right Hand - 27ERQ55BMA
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | 55 Degree Partial |
| Pitch | 5.5-6.0 (4.5-4) |
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Carmex Thread Turning External Insert, 55 Degree Partial - Right Hand (27ERQ55BMA) is a versatile cutting insert designed for external thread turning. Part of our globally recognized laydown triangular insert range, it provides a practical solution for a wide range of thread standards used today. Whether you’re setting up a basic threading operation or handling more demanding applications, this insert is built to perform reliably.
Ideal for engineers, machinists, and shop floor teams, it combines straightforward usability with dependable performance. The 55° geometry and right-hand orientation help you achieve clean, accurate threads with minimal setup fuss, while its partial design supports flexible use across different tooling setups.
- Extensive thread-standards coverage: Designed to provide a solution for the majority of thread standards in use today, reducing tool changes and simplifying inventory.
- 55° laydown triangular geometry: Creates a stable cutting action with effective chip control, helping produce consistent thread profiles across a range of materials.
- Partial insert design for efficient use: Optimized for quick setups and versatile use across jobs, delivering reliable results without unnecessary waste.
This insert is engineered to support repeatable, high-quality threading on a variety of components, helping you improve workflow, reduce downtime, and achieve dependable results from project to project.
Part Numbers
- Protool Part Number
- 27ERQ55BMA
- 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.
Full Range: Carmex Thread Turning External Inserts - Partial Profile 55° - Right/Left Hand
View full collection →You are viewing 27ERQ55BMA. Click any other SKU to view its full details.
| Product SKU | Thread Type | Thread Direction | Thread Form | Pitch | Insert Size | Grade | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| 16ELAG55BMA | External | Left Hand | 55 Degree Partial | 0.5-3.0 (48-8) | 16 | BMA | £9.50 | 5 days | |
| 16ELG55BMA | External | Left Hand | 55 Degree Partial | 1.75-3.0 (14-8) | 16 | BMA | £7.29 | 5 days | |
| 16ERA55BMA | External | Right Hand | 55 Degree Partial | 0.5-1.5 (48-16) | 16 | BMA | £9.50 | 5 days | |
| 16ERAG55BMA | External | Right Hand | 60 Degree Partial | 0.5-3.0 (48-8) | 16 | BMA | £9.50 | In Stock | |
| 16ERG55BMA | External | Right Hand | 55 Degree Partial | 1.75-3.0 (14-8) | 16 | BMA | £9.50 | In Stock | |
| 22ELN55BMA | External | Left Hand | 55 Degree Partial | 3.5-5.0 (7-5) | 22 | BMA | £10.69 | 5 days | |
| 22ERN55BMA | External | Right Hand | 55 Degree Partial | 3.5-5.0 (7-5) | 22 | BMA | £13.93 | 5 days | |
| 27ELQ55BMA | External | Left Hand | 55 Degree Partial | 5.5-6.0 (4.5-4) | 27 | BMA | £15.10 | 5 days | |
| 27ERQ55BMA Viewing | External | Right Hand | 55 Degree Partial | 5.5-6.0 (4.5-4) | 27 | BMA | £19.64 | 5 days |
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