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Carmex Thread Turning External Insert - UNJ (UNJC UNJF UNJEF UNJS) - Right Hand - 16ER8UNJBMA
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | UNJ (UNJC UNJF UNJEF UNJS) |
| Pitch | 8 |
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The Carmex Thread Turning External Insert is a right-hand, laydown triangular insert designed for external threading on UNJ standards. It covers UNJC, UNJF, UNJEF, and UNJS threads, delivering a versatile tool that handles everything from simple to demanding applications on both lathes and CNC machines.
- Broad compatibility with UNJ thread standards: The insert supports UNJC, UNJF, UNJEF, and UNJS, enabling a single tool to tackle most external threading tasks and simplifying tool selection.
- Laydown triangular geometry for stable cutting: The triangular laydown design improves chip control, reduces vibration, and helps produce consistent thread forms across a range of materials.
- Right-hand orientation for reliable turning performance: Specifically configured for right-hand threads, it delivers predictable results with common turning setups and minimizes setup time.
Designed for durability and consistent results, this insert supports faster setups and less downtime by covering multiple UNJ thread standards in one tool. Its geometry promotes smooth finishes and uniform thread quality, reducing scrap and rework across basic to demanding jobs. Compatible with standard holders and commonly used turning workflows, it helps you streamline inventory, speed production, and deliver reliable threaded parts across a wide range of materials.
Part Numbers
- Protool Part Number
- 16ER8UNJBMA
- 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.
Full Range: Carmex Thread Turning External Inserts - UNJ - Right/Left Hand
View full collection →You are viewing 16ER8UNJBMA. Click any other SKU to view its full details.
| Product SKU | Thread Type | Thread Direction | Thread Form | Pitch | Insert Size | Grade | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| 16ER10UNJBMA | External | Right Hand | UNJ (UNJC UNJF UNJEF UNJS) | 10 | 16 | BMA | £12.06 | In Stock | |
| 16ER11UNJBMA | External | Right Hand | UNJ (UNJC UNJF UNJEF UNJS) | 11 | 16 | BMA | £12.06 | In Stock | |
| 16ER12UNJBMA | External | Right Hand | UNJ (UNJC UNJF UNJEF UNJS) | 12 | 16 | BMA | £12.06 | 5 days | |
| 16ER13UNJBMA | External | Right Hand | UNJ (UNJC UNJF UNJEF UNJS) | 13 | 16 | BMA | £12.06 | In Stock | |
| 16ER14UNJBMA | External | Right Hand | UNJ (UNJC UNJF UNJEF UNJS) | 14 | 16 | BMA | £12.06 | 5 days | |
| 16ER16UNJBMA | External | Right Hand | UNJ (UNJC UNJF UNJEF UNJS) | 16 | 16 | BMA | £12.06 | In Stock | |
| 16ER18UNJBMA | External | Right Hand | UNJ (UNJC UNJF UNJEF UNJS) | 18 | 16 | BMA | £12.06 | In Stock | |
| 16ER20UNJBMA | External | Right Hand | UNJ (UNJC UNJF UNJEF UNJS) | 20 | 16 | BMA | £12.06 | In Stock | |
| 16ER24UNJBMA | External | Right Hand | UNJ (UNJC UNJF UNJEF UNJS) | 24 | 16 | BMA | £12.06 | In Stock | |
| 16ER28UNJBMA | External | Right Hand | UNJ (UNJC UNJF UNJEF UNJS) | 28 | 16 | BMA | £12.06 | In Stock | |
| 16ER32UNJBMA | External | Right Hand | UNJ (UNJC UNJF UNJEF UNJS) | 32 | 16 | BMA | £12.06 | 5 days | |
| 16ER36UNJBMA | External | Right Hand | UNJ (UNJC UNJF UNJEF UNJS) | 36 | 16 | BMA | £15.71 | In Stock | |
| 16ER40UNJBMA | External | Right Hand | UNJ (UNJC UNJF UNJEF UNJS) | 40 | 16 | BMA | £15.71 | In Stock | |
| 16ER44UNJBMA | External | Right Hand | UNJ (UNJC UNJF UNJEF UNJS) | 44 | 16 | BMA | £15.71 | In Stock | |
| 16ER48UNJBMA | External | Right Hand | UNJ (UNJC UNJF UNJEF UNJS) | 48 | 16 | BMA | £15.71 | In Stock | |
| 16ER8UNJBMA Viewing | External | Right Hand | UNJ (UNJC UNJF UNJEF UNJS) | 8 | 16 | BMA | £12.06 | 5 days | |
| 16ER9UNJBMA | External | Right Hand | UNJ (UNJC UNJF UNJEF UNJS) | 9 | 16 | BMA | £12.06 | In Stock |
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