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Carmex Thread Turning External Insert - Round DIN 20400 - Right Hand - 22ER4RD20400BMA
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | Round DIN 20400 |
| Pitch | 4 |
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Description
Carmex Thread Turning External Insert - Round DIN 20400 - Right Hand - 22ER4RD20400BMA sits at the core of Carmex’s industry‑leading family of thread turning inserts. These high‑quality laydown triangular inserts are designed to cover the majority of thread standards in use today, delivering reliable performance across a wide range of jobs—from simple threading tasks to the most demanding cuts.
- Broad thread standard compatibility: Designed to address a wide range of thread standards, this insert minimizes tool changes and speeds up setup across diverse jobs.
- Reliable performance from basic to demanding applications: From everyday threading tasks to tougher, precision work, it delivers consistent, predictable results you can depend on.
- Laydown triangular geometry for stable, durable operation: The geometry supports secure seating in holders and steady cutting performance, contributing to longer tool life and smoother threading results.
This insert is engineered to streamline your threading workflow. With its versatile design, you can confidently tackle varying project requirements without swapping tooling, helping reduce downtime and improve overall productivity in your shop or workshop.
Part Numbers
- Protool Part Number
- 22ER4RD20400BMA
- 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.
