Please log in here to access all benefits, including promotional discounts and faster checkouts.
Carmex Thread Turning Internal Insert - API 383 - Right Hand - 27IR4API383BMA
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | API 383 |
| Pitch | 4 |
| Insert Size | 27 |
| Grade | BMA |
Learn more about Klarna
The Carmex Thread Turning Internal Insert (API 383, Right Hand) is a precision laydown triangular insert designed for forming internal threads with consistent accuracy. It covers a broad range of thread standards, helping machinists, engineers, and hobbyists tackle internal threading tasks in a variety of materials.
As part of our industry-leading thread turning range, this insert provides a reliable solution for both basic and demanding applications, delivering steady performance under everyday production conditions.
- Broad thread compatibility: Covers the majority of thread standards available today, reducing tool changes and helping you keep production moving.
- Laydown triangular design for stability: Provides stable cutting action and effective chip control for clean, accurate internal threads.
- Designed for a wide range of applications: From basic to demanding tasks, it maintains consistency and dependable results across different jobs and materials.
This insert helps you complete internal threading tasks more efficiently, reduce inventory complexity, and achieve reliable results that meet API 383 right-hand specifications across a variety of materials. It supports smoother workflows and lower rework, so your production runs stay on track.
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | API 383 |
| Pitch | 4 |
| Insert Size | 27 |
| Grade | BMA |
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.
