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Carmex Thread Turning Internal and External Insert - UN (UNC,UNF,UNEF,UNS) - Neutral - 22UER/L4UNBMA
| Thread Type | Internal and External |
| Thread Direction | Neutral |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch | 4 |
| Insert Size | 22U |
| Grade | BMA |
Learn more about Klarna
The Carmex Thread Turning Internal and External Insert is a versatile threading solution designed for professional shops, engineers, buyers, tradespeople, hobbyists, and anyone who works with UN-standard threads. This neutral-grade insert covers UNC, UNF, UNEF, and UNS with a single, reliable tool, enabling fast setup and broad applicability from simple threading tasks to demanding applications.
- Broad UN thread compatibility: Supports UNC, UNF, UNEF, and UNS with one insert, reducing the need for multiple tools and simplifying inventory while ensuring dependable results across common thread sizes.
- Triangular laydown geometry for stability: The laydown triangular design delivers a stable, wide-cutting engagement that promotes consistent thread profiles on both internal and external threads and minimizes chatter for cleaner finishes.
- Durable neutral-grade construction: Built from high-quality materials to withstand demanding machining, delivering longer tool life and reliable performance across a range of workpiece materials.
This threading insert helps you streamline setups, cut consistent threads across standard UN sizes, and maintain production momentum with predictable results. Its robust design and broad compatibility make it a dependable choice for projects that demand accuracy, efficiency, and repeatable quality from basic to more challenging threading tasks.
| Thread Type | Internal and External |
| Thread Direction | Neutral |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch | 4 |
| Insert Size | 22U |
| 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.
