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Carmex Thread Turning External Insert - UNJ (UNJC UNJF UNJEF UNJS) - Right Hand - 16ER9UNJK20
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | UNJ (UNJC UNJF UNJEF UNJS) |
| Pitch | 9 |
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Description
Carmex Thread Turning External Insert for UNJ threads is a versatile cutting tool designed for external threading operations. Compatible with UNJ standards including UNJC, UNJF, UNJEF, and UNJS, this right-hand insert is ideal for engineers, machinists, and shops that produce precision threads across a range of sizes. The laydown triangular geometry provides stable cutting and clean thread profiles, helping you complete jobs with confidence.
Part of Carmex's industry-leading range of thread turning inserts, this tool is built to perform in demanding applications and to adapt to a variety of material types and thread pitches.
- Broad UNJ compatibility: Covers UNJC, UNJF, UNJEF, and UNJS to minimize tool changes and simplify inventory for diverse threading jobs.
- Laydown triangular geometry: Delivers stable cutting action, improved chip control, and consistent thread profiles for reliable results on a wide range of materials.
- Right-hand external thread turning design: Optimized for right-hand threads, ensuring predictable performance and accurate thread geometry in external turning applications.
This insert helps streamline production by handling multiple UNJ standards with a single tool, reducing setup time and tool changes. Its robust geometry supports steady cutting and clean thread finishes, while longer service life reduces downtime and replacement costs, delivering dependable performance across demanding machining tasks.
Part Numbers
- Protool Part Number
- 16ER9UNJK20
- 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.
