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Carmex Thread Turning Internal Insert - Round - Left Hand - 16IL8RDK20
| Thread Type | Internal |
| Thread Direction | Left Hand |
| Thread Form | Round |
| Pitch | 8 |
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The ones our customers buy most.Description
Carmex Thread Turning Internal Insert, Round, Left Hand (16IL8RDK20) is a precision tool designed for internal threading operations. Built to withstand varied machining conditions, it delivers reliable performance across a wide range of thread standards.
This insert is ideal for shops that handle both straightforward and more challenging internal threads. Its compact round, left-hand design makes it suitable for left-handed thread work and tight spaces, helping you complete projects quickly and with consistent results.
- Broad thread standard compatibility: Supports a wide range of thread standards, enabling you to tackle most jobs with a single insert and reducing the need to stock multiple tools.
- Versatile performance across applications: From basic to demanding threading tasks, it maintains steady cutting action and predictable results across diverse projects.
- Global, trusted quality: Part of an industry-leading range recognized worldwide, delivering dependable durability and consistent performance in everyday manufacturing environments.
By simplifying tool selection and delivering reliable results, this Carmex insert helps improve workflow, reduce downtime, and ensure quality threads across your production or repair tasks.
Part Numbers
- Protool Part Number
- 16IL8RDK20
- 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.



