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11ER20UNJBMA - Carmex Thread Turning External Insert - UNJ (UNJC UNJF UNJEF UNJS) - Right Hand
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | UNJ (UNJC UNJF UNJEF UNJS) |
| Pitch | 20 |
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Description
Carmex Thread Turning External Insert for UNJ threads is a high‑quality external threading solution designed for lathes and CNC machines. It supports the UNJ family (UNJC, UNJF, UNJEF, UNJS) in right‑hand orientation, making it a versatile choice for shops that encounter multiple standards. The laydown triangular geometry delivers stable engagement and dependable chip control across a wide range of materials and speeds.
In this listing you’ll find the 11ER20UNJBMA configuration, built to perform in both simple and demanding threading tasks with consistent results you can rely on day after day.
- Broad thread standards compatibility: Covers the majority of UNJ thread forms, reducing tool changes and simplifying inventory so you can prep quickly for varied jobs.
- Durable laydown triangular geometry: Designed for stability and efficient chip evacuation, delivering longer insert life and smoother cuts across a wide material range.
- Right‑hand orientation across UNJ forms: Optimized for right‑hand threading with UNJC, UNJF, UNJEF, and UNJS, ensuring accurate engagement and repeatable results.
This insert helps streamline threading operations by providing a single, reliable tool capable of handling multiple standards. It supports consistent thread quality, reduces downtime from tool changes, and enhances overall workflow—from setup through finished threads—making it a dependable choice for both high‑volume production and precision work.
Part Numbers
- Protool Part Number
- 11ER20UNJBMA
- 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.
