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Carmex Thread Turning External Insert - UNJ (UNJC UNJF UNJEF UNJS) - Right Hand - 16ER36UNJK20
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | UNJ (UNJC UNJF UNJEF UNJS) |
| Pitch | 36 |
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Description
The Carmex Thread Turning External Insert is a versatile laydown triangular insert designed for external thread turning on UNJ family standards. It covers UNJ, UNJC, UNJF, UNJEF and UNJS profiles, providing a single, reliable solution for a wide range of projects—from basic repairs to demanding production runs. With right-hand threading supported, it integrates smoothly into standard turning setups for consistent results.
- Broad UNJ family compatibility: Covers UNJ, UNJC, UNJF, UNJEF and UNJS external thread profiles, reducing tool changes and inventory while handling most common thread tasks in one insert.
- Laydown triangular geometry: The laydown shape and edge geometry promote stable cutting, improved chip control, and smooth, repeatable thread finish across simple to challenging applications.
- Right-hand external threading: Optimized for right-hand threads and standard turning equipment, enabling straightforward setup, reliable performance, and consistent results.
This insert helps streamline external thread turning with fewer tool changes, dependable thread quality, and steady performance from the first cut to the final finish. Whether you’re running a job shop, performing maintenance, or tackling precision production, it supports efficient workflows and confident results on a wide range of UNJ thread applications.
Part Numbers
- Protool Part Number
- 16ER36UNJK20
- 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.
