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Carmex Thread Turning External Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand - 16ER56UNBMA
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch | 56 |
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Description
Introducing the Carmex Thread Turning External Insert for UN thread standards (UNC, UNF, UNEF, UNS) in a right-hand orientation. These high-quality laydown triangular inserts are designed to cover the majority of thread standards used today, delivering dependable performance across a wide range of applications—from simple threading tasks to more demanding ones.
- Broad thread standard compatibility: Covers UNC, UNF, UNEF, and UNS external threads, reducing the need for multiple tools and simplifying setup.
- Right-hand external threading geometry: Optimized to cut right-handed threads with a smooth, reliable cutting action and consistent thread form.
- Industry-leading, versatile design: Part of Carmex’s widely recognized range of thread turning inserts, built to handle a broad spectrum of applications from basic to demanding tasks.
This insert is designed to help you complete external thread turning with confidence, streamline your tooling workflow, and achieve consistent results across different thread standards. Its combination of broad compatibility, precise right-hand geometry, and proven design supports faster setups, fewer tool changes, and reliable performance on a variety of projects and materials.
Part Numbers
- Protool Part Number
- 16ER56UNBMA
- 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 - Unified - Right/Left Hand
View full collection →You are viewing 16ER56UNBMA. Click any other SKU to view its full details.
| Product SKU | Thread Type | Thread Direction | Thread Form | Pitch | Insert Size | Grade | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| 16EL10UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 10 | 16 | BMA | £9.50 | 5 days | |
| 16EL11.5UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 11.5 | 16 | BMA | £7.29 | 5 days | |
| 16EL11UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 11 | 16 | BMA | £9.50 | 5 days | |
| 16EL12UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 12 | 16 | BMA | £9.50 | 5 days | |
| 16EL13UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 13 | 16 | BMA | £9.50 | 5 days | |
| 16EL14UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 14 | 16 | BMA | £9.50 | In Stock | |
| 16EL16UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 16 | 16 | BMA | £9.50 | 5 days | |
| 16EL18UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 18 | 16 | BMA | £9.50 | In Stock | |
| 16EL20UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 20 | 16 | BMA | £9.50 | 5 days | |
| 16EL24UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 24 | 16 | BMA | £9.50 | 5 days | |
| 16EL27UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 27 | 16 | BMA | £7.29 | 5 days | |
| 16EL28UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 28 | 16 | BMA | £9.50 | 5 days | |
| 16EL32UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 32 | 16 | BMA | £9.50 | 5 days | |
| 16EL36UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 36 | 16 | BMA | £9.47 | 5 days | |
| 16EL40UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 40 | 16 | BMA | £9.47 | 5 days | |
| 16EL44UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 44 | 16 | BMA | £9.47 | 5 days | |
| 16EL48UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 48 | 16 | BMA | £9.47 | 5 days | |
| 16EL56UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 56 | 16 | BMA | £9.47 | 5 days | |
| 16EL64UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 64 | 16 | BMA | £9.47 | 5 days | |
| 16EL72UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 72 | 16 | BMA | £9.47 | 5 days | |
| 16EL8UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 8 | 16 | BMA | £9.50 | 5 days | |
| 16EL9UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 9 | 16 | BMA | £9.50 | 5 days | |
| 16ER10UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 10 | 16 | BMA | £9.50 | In Stock | |
| 16ER11.5UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 11.5 | 16 | BMA | £9.50 | In Stock | |
| 16ER11UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 11 | 16 | BMA | £9.50 | In Stock | |
| 16ER12UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 12 | 16 | BMA | £9.50 | In Stock | |
| 16ER13UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 13 | 16 | BMA | £9.50 | 5 days | |
| 16ER14UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 14 | 16 | BMA | £9.50 | 5 days | |
| 16ER16UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 16 | 16 | BMA | £9.50 | 5 days | |
| 16ER18UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 18 | 16 | BMA | £9.50 | In Stock | |
| 16ER20UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 20 | 16 | BMA | £9.50 | In Stock | |
| 16ER24UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 24 | 16 | BMA | £9.50 | In Stock | |
| 16ER27UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 27 | 16 | BMA | £9.50 | In Stock | |
| 16ER28UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 28 | 16 | BMA | £9.50 | In Stock | |
| 16ER32UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 32 | 16 | BMA | £9.50 | 5 days | |
| 16ER36UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 36 | 16 | BMA | £12.31 | In Stock | |
| 16ER40UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 40 | 16 | BMA | £12.31 | In Stock | |
| 16ER44UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 44 | 16 | BMA | £12.31 | 5 days | |
| 16ER48UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 48 | 16 | BMA | £12.31 | In Stock | |
| 16ER56UNBMA Viewing | External | Right Hand | UN (UNC UNF UNEF UNS) | 56 | 16 | BMA | £12.31 | In Stock | |
| 16ER64UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 64 | 16 | BMA | £12.31 | In Stock | |
| 16ER72UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 72 | 16 | BMA | £12.31 | In Stock | |
| 16ER8UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 8 | 16 | BMA | £9.50 | In Stock | |
| 16ER9UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 9 | 16 | BMA | £9.50 | 5 days | |
| 22EL5UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 5 | 22 | BMA | £10.69 | 5 days | |
| 22EL6UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 6 | 22 | BMA | £10.69 | 5 days | |
| 22EL7UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 7 | 22 | BMA | £10.69 | 5 days | |
| 22ER5UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 5 | 22 | BMA | £13.93 | In Stock | |
| 22ER6UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 6 | 22 | BMA | £13.93 | In Stock | |
| 22ER7UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 7 | 22 | BMA | £13.93 | 5 days | |
| 27EL4.5UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 4.5 | 27 | BMA | £15.10 | 5 days | |
| 27EL4UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 4 | 27 | BMA | £15.10 | 5 days | |
| 27ER4UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 4 | 27 | BMA | £19.64 | In Stock |
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