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Carmex Thread Turning External Insert - UN (UNC,UNF,UNEF,UNS) - Left Hand - 16EL14UNBMA
| Thread Type | External |
| Thread Direction | Left Hand |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch | 14 |
| Insert Size | 16 |
| Grade | BMA |
Learn more about Klarna
Carmex Thread Turning External Insert for UN thread standards is a versatile cutting solution designed for external threading tasks. It sits among Carmex’s industry-leading range of thread turning inserts and is widely recognized for reliable, consistent performance. Specifically engineered for left-hand threading, this model’s laydown triangular geometry delivers stable cutting action across a broad range of applications.
The 16EL14UNBMA variant covers UNC, UNF, UNEF, and UNS standards, making it a practical all-in-one choice for shops that encounter multiple thread types. From basic to more demanding jobs, this insert simplifies setup and reduces the need for frequent tool changes, helping your operation move smoothly from one threading task to the next.
- Broad UN thread compatibility: Supports UNC, UNF, UNEF, and UNS in a single insert, reducing tool changes and simplifying inventory for mixed-thread work.
- Left-hand external threading design: Specifically engineered for left-hand threads, ensuring correct engagement and repeatable results across operations.
- Triangular laydown geometry for stable cutting: The laydown triangular shape provides a robust seating in the holder and dependable performance from basic to demanding applications.
This insert helps you streamline workflows, deliver consistent thread quality, and maintain productive operation. By covering the major UN thread standards in one reliable tool, it supports faster setup, predictable results, and fewer interruptions on the shop floor.
| Thread Type | External |
| Thread Direction | Left Hand |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch | 14 |
| Insert Size | 16 |
| 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.
Full Range: Carmex Thread Turning External Inserts - Unified - Right/Left Hand
View full collection →You are viewing 16EL14UNBMA. 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 | £8.44 | 5 days | |
| 16EL11.5UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 11.5 | 16 | BMA | £8.59 | 5 days | |
| 16EL11UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 11 | 16 | BMA | £8.44 | 5 days | |
| 16EL12UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 12 | 16 | BMA | £8.44 | 5 days | |
| 16EL13UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 13 | 16 | BMA | £8.44 | 5 days | |
| 16EL14UNBMA Viewing | External | Left Hand | UN (UNC UNF UNEF UNS) | 14 | 16 | BMA | £8.44 | In Stock | |
| 16EL16UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 16 | 16 | BMA | £8.44 | 5 days | |
| 16EL18UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 18 | 16 | BMA | £8.44 | In Stock | |
| 16EL20UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 20 | 16 | BMA | £8.44 | 5 days | |
| 16EL24UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 24 | 16 | BMA | £8.44 | 5 days | |
| 16EL27UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 27 | 16 | BMA | £8.59 | 5 days | |
| 16EL28UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 28 | 16 | BMA | £8.44 | 5 days | |
| 16EL32UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 32 | 16 | BMA | £8.44 | 5 days | |
| 16EL36UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 36 | 16 | BMA | £11.16 | 5 days | |
| 16EL40UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 40 | 16 | BMA | £11.16 | 5 days | |
| 16EL44UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 44 | 16 | BMA | £11.16 | 5 days | |
| 16EL48UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 48 | 16 | BMA | £11.16 | 5 days | |
| 16EL56UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 56 | 16 | BMA | £11.16 | 5 days | |
| 16EL64UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 64 | 16 | BMA | £11.16 | 5 days | |
| 16EL72UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 72 | 16 | BMA | £11.16 | 5 days | |
| 16EL8UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 8 | 16 | BMA | £8.44 | 5 days | |
| 16EL9UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 9 | 16 | BMA | £8.44 | 5 days | |
| 16ER10UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 10 | 16 | BMA | £8.44 | In Stock | |
| 16ER11.5UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 11.5 | 16 | BMA | £8.44 | In Stock | |
| 16ER11UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 11 | 16 | BMA | £8.44 | In Stock | |
| 16ER12UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 12 | 16 | BMA | £8.44 | In Stock | |
| 16ER13UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 13 | 16 | BMA | £8.44 | 5 days | |
| 16ER14UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 14 | 16 | BMA | £8.44 | 5 days | |
| 16ER16UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 16 | 16 | BMA | £8.44 | 5 days | |
| 16ER18UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 18 | 16 | BMA | £8.44 | In Stock | |
| 16ER20UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 20 | 16 | BMA | £8.44 | In Stock | |
| 16ER24UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 24 | 16 | BMA | £8.44 | In Stock | |
| 16ER27UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 27 | 16 | BMA | £8.44 | 5 days | |
| 16ER28UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 28 | 16 | BMA | £8.44 | In Stock | |
| 16ER32UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 32 | 16 | BMA | £8.44 | 5 days | |
| 16ER36UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 36 | 16 | BMA | £10.94 | In Stock | |
| 16ER40UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 40 | 16 | BMA | £10.94 | In Stock | |
| 16ER44UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 44 | 16 | BMA | £10.94 | 5 days | |
| 16ER48UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 48 | 16 | BMA | £10.94 | In Stock | |
| 16ER56UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 56 | 16 | BMA | £10.94 | In Stock | |
| 16ER64UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 64 | 16 | BMA | £10.94 | In Stock | |
| 16ER72UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 72 | 16 | BMA | £10.94 | In Stock | |
| 16ER8UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 8 | 16 | BMA | £8.44 | In Stock | |
| 16ER9UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 9 | 16 | BMA | £8.44 | 5 days | |
| 22EL5UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 5 | 22 | BMA | £12.59 | 5 days | |
| 22EL6UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 6 | 22 | BMA | £12.59 | 5 days | |
| 22EL7UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 7 | 22 | BMA | £12.59 | 5 days | |
| 22ER5UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 5 | 22 | BMA | £12.38 | In Stock | |
| 22ER6UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 6 | 22 | BMA | £12.38 | In Stock | |
| 22ER7UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 7 | 22 | BMA | £12.38 | In Stock | |
| 27EL4.5UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 4.5 | 27 | BMA | £17.79 | 5 days | |
| 27EL4UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 4 | 27 | BMA | £17.79 | 5 days | |
| 27ER4UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 4 | 27 | BMA | £17.46 | In Stock |
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