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Carmex Thread Turning Internal Insert - Round - Right Hand - 16IR6RDK20
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | Round |
| Pitch | 6 |
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Carmex Thread Turning Internal Insert - Round - Right Hand - 16IR6RDK20 is a precision tool designed for internal threading tasks across a broad spectrum of industries. Whether you’re in a production environment, a maintenance workshop, or a DIY machine shop, this insert helps you create accurate, clean internal threads with consistent results.
Our industry-leading range of thread turning inserts is recognized worldwide, offering solutions for the majority of thread standards in use today and capable of handling a wide range of applications—from everyday tasks to more demanding machining jobs.
- Broad thread standard compatibility: Covers the majority of thread standards in use today, helping you complete more jobs with a single insert and reducing tool-change time.
- Round, right-hand internal threading geometry: Optimized for internal thread turning with right-hand threads, delivering stable engagement and predictable cutting action.
- Durable, precision construction: Designed to maintain sharpness and geometry over repeated use, providing reliable results and longer tool life across a range of applications.
By selecting this Carmex insert, you gain a versatile, dependable solution that streamlines your workflow, reduces downtime, and helps you produce consistent, high-quality internal threads—from simple tasks to more demanding jobs.
Part Numbers
- Protool Part Number
- 16IR6RDK20
- 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.



