Please log in here to access all benefits, including promotional discounts and faster checkouts.
Carmex Thread Turning Internal Insert - UNJ (UNJC UNJF UNJEF UNJS) - Right Hand - 16IR9UNJK20
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | UNJ (UNJC UNJF UNJEF UNJS) |
| Pitch | 9 |
Learn more about Klarna
Compatible holders
The ones our customers buy most.
Description
Introducing the Carmex Thread Turning Internal Insert (16IR9UNJK20). This right-hand insert is designed for internal threading tasks and supports UNJ thread standards, including UNJC, UNJF, UNJEF, and UNJS. With its industry-leading range and laydown triangular geometry, it provides a reliable solution for a broad mix of applications—from straightforward threads to the most demanding ones.
- Versatile UNJ thread coverage: Supports UNJC, UNJF, UNJEF, and UNJS threads, so one insert handles a wide range of internal threading tasks without swapping tools.
- Right-hand threading optimized: Specifically designed for right-hand internal threads to deliver consistent geometry and reliable engagement, reducing setup time.
- Durable laydown triangular design: Stable, multi-edge geometry maintains cutting efficiency across demanding applications, helping minimize downtime and extend tool life.
These features come together to help you complete internal threads with confidence: it delivers repeatable results, reduces tool changes, and supports a broad spectrum of UNJ standards. Whether you’re outfitting a production line or tackling maintenance work, this insert is built to keep workflows smooth and outcomes dependable.
Part Numbers
- Protool Part Number
- 16IR9UNJK20
- 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.
