Please log in here to access all benefits, including promotional discounts and faster checkouts.


Carmex Thread Turning External Insert - Round - Right Hand - 16ER8RDK20
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | Round |
| Pitch | 8 |
Learn more about Klarna
Compatible holders
The ones our customers buy most.Description
The Carmex Thread Turning External Insert (Round, Right-Hand, 16ER8RDK20) is a versatile tool for external threading tasks. It belongs to our industry-leading range of thread turning inserts, recognized worldwide for delivering reliable, high-quality performance across a broad spectrum of thread standards—from basic to demanding applications.
- Wide thread-standards coverage: Designed to handle a broad range of common thread standards, allowing you to complete diverse threading jobs with a single, capable insert.
- Durable construction for long tool life: Built to withstand demanding threading operations, providing consistent cuts and reducing the need for frequent replacements.
- Round, right-hand geometry for easy setup: Optimized for straightforward mounting in standard external threading setups, promoting reliable starts and predictable chip flow.
By choosing this insert, you simplify tooling, improve workflow, and achieve reliable thread quality across production cycles. Its versatility reduces downtime, while its durability translates to lower replacement costs and fewer tool changes, helping you meet tight schedules with confidence.
Part Numbers
- Protool Part Number
- 16ER8RDK20
- 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.



