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22EL3.5ISOK20 - Carmex Thread Turning External Insert - Metric - Left Hand
| Thread Type | External |
| Thread Direction | Left Hand |
| Thread Form | Metric |
| Pitch | 3.5 |
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Description
The Carmex Thread Turning External Insert (Metric, Left Hand) 22EL3.5ISOK20 sits at the heart of an industry‑leading range of thread turning inserts. These high‑quality laydown triangular inserts are designed to provide reliable solutions for the majority of thread standards available today, making it easier to tackle external threading with a single, versatile tool.
Ideal for engineers, buyers, machinists, and hobbyists, this insert covers a broad spectrum of metric external threading tasks—from basic to the most demanding applications—delivering dependable performance across common thread standards.
- Broad thread standards coverage: Designed to provide a solution for the majority of thread standards available today, reducing tool changes and simplifying your tooling inventory.
- External thread turning ready: Triangular laydown inserts offer stable cutting action for external threads, supporting consistent results across a wide range of jobs.
- Metric left-hand specification: Engineered specifically for metric left‑hand threads, enabling precise external thread cuts where orientation matters.
This insert helps streamline workflows by handling many thread standards with one reliable tool, reducing downtime from tool changes and delivering repeatable, quality thread profiles across production runs and on‑demand work.
Part Numbers
- Protool Part Number
- 22EL3.5ISOK20
- 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.
