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Carmex Thread Turning External Insert - Metric - Right Hand - 22ER4.0ISOBLU
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | Metric |
| Pitch | 4 |
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Description
The Carmex Thread Turning External Insert is a precision triangular laydown insert engineered for external metric thread turning. Recognized worldwide for reliability, it delivers clean, accurate threads across a broad range of standards.
Designed for right-hand threading and finished with the ISOBLU coating indicated by its product code, this insert offers dependable performance from basic jobs to demanding applications. Its compact geometry supports stable cutting and consistent results, helping you complete threads with confidence and minimize tool changes.
- Broad thread compatibility: Works across the majority of metric thread standards, reducing the need for multiple inserts and speeding up setup times.
- Rigid triangular laydown geometry: Provides stable cutting action, minimizes vibration, and delivers consistent thread profiles through the full cut.
- ISOBLU coating for wear resistance: Enhances edge retention and durability, helping extend tool life and maintain a smooth, quality finish on threaded parts.
This insert streamlines threading workflows by delivering reliable external thread results on metric parts, lowering downtime, and supporting steady productivity across a wide range of materials and applications.
Part Numbers
- Protool Part Number
- 22ER4.0ISOBLU
- 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.
