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Carmex Thread Turning External Insert - Metric - Left Hand - 22EL4.5ISOBMA
| Thread Type | External |
| Thread Direction | Left Hand |
| Thread Form | Metric |
| Pitch | 4.5 |
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Carmex Thread Turning External Insert – Metric – Left Hand – 22EL4.5ISOBMA is a precision cutting insert designed for external thread turning. Its laydown triangular geometry delivers stable engagement and consistent thread formation, making it a reliable choice for production runs, shop floors, and maintenance work.
Designed to cover the majority of metric external thread standards in use today, these high-quality inserts can handle a wide range of applications—from basic threading tasks to the most demanding ones.
- Broad metric thread compatibility: Designed to cover the majority of metric external thread standards, enabling quick job changes and reducing tool-switch downtime.
- Robust laydown triangular geometry: Provides stable cutting action, efficient chip flow, and longer tool life for consistent thread quality.
- Reliable performance across applications: Capable of handling simple to demanding threading tasks with predictable wear and dependable results.
This insert helps you streamline workflows by offering a versatile, dependable solution for a wide range of metric threads, cutting setup time and maintaining tight tolerances across jobs. With consistent results and durable performance, it supports higher uptime, improved finish, and more productive production cycles.
Part Numbers
- Protool Part Number
- 22EL4.5ISOBMA
- 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.
Full Range: Carmex Thread Turning External Inserts - ISO - Right/Left Hand
View full collection →You are viewing 22EL4.5ISOBMA. Click any other SKU to view its full details.
| Product SKU | Thread Type | Thread Direction | Thread Form | Pitch | Insert Size | Grade | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| 16EL0.35ISOBMA | External | Left Hand | Metric | 0.35 | 16 | BMA | £9.47 | 5 days | |
| 16EL0.45ISOBMA | External | Left Hand | Metric | 0.45 | 16 | BMA | £9.47 | 5 days | |
| 16EL0.4ISOBMA | External | Left Hand | Metric | 0.4 | 16 | BMA | £9.47 | 5 days | |
| 16EL0.5ISOBMA | External | Left Hand | Metric | 0.5 | 16 | BMA | £12.31 | 5 days | |
| 16EL0.6ISOBMA | External | Left Hand | Metric | 0.6 | 16 | BMA | £9.47 | 5 days | |
| 16EL0.75ISOBMA | External | Left Hand | Metric | 0.75 | 16 | BMA | £12.31 | 5 days | |
| 16EL0.7ISOBMA | External | Left Hand | Metric | 0.7 | 16 | BMA | £12.31 | 5 days | |
| 16EL0.8ISOBMA | External | Left Hand | Metric | 0.8 | 16 | BMA | £9.50 | 5 days | |
| 16EL1.0ISOBMA | External | Left Hand | Metric | 1 | 16 | BMA | £9.50 | In Stock | |
| 16EL1.25ISOBMA | External | Left Hand | Metric | 1.25 | 16 | BMA | £9.50 | 5 days | |
| 16EL1.5ISOBMA | External | Left Hand | Metric | 1.5 | 16 | BMA | £9.50 | 5 days | |
| 16EL1.75ISOBMA | External | Left Hand | Metric | 1.75 | 16 | BMA | £9.50 | 5 days | |
| 16EL2.0ISOBMA | External | Left Hand | Metric | 2 | 16 | BMA | £9.50 | 5 days | |
| 16EL2.5ISOBMA | External | Left Hand | Metric | 2.5 | 16 | BMA | £9.50 | In Stock | |
| 16EL3.0ISOBMA | External | Left Hand | Metric | 3 | 16 | BMA | £9.50 | 5 days | |
| 16EL3.5ISOBMA | External | Left Hand | Metric | 3.5 | 16 | BMA | £9.50 | In Stock | |
| 16ER0.25ISOBMA | External | Right Hand | Metric | 0.25 | 16 | BMA | £12.33 | In Stock | |
| 16ER0.35ISOBMA | External | Right Hand | Metric | 0.35 | 16 | BMA | £12.31 | 5 days | |
| 16ER0.45ISOBMA | External | Right Hand | Metric | 0.45 | 16 | BMA | £12.31 | 5 days | |
| 16ER0.4ISOBMA | External | Right Hand | Metric | 0.4 | 16 | BMA | £12.31 | In Stock | |
| 16ER0.5ISOBMA | External | Right Hand | Metric | 0.5 | 16 | BMA | £12.31 | In Stock | |
| 16ER0.6ISOBMA | External | Right Hand | Metric | 0.6 | 16 | BMA | £12.31 | 5 days | |
| 16ER0.75ISOBMA | External | Right Hand | Metric | 0.75 | 16 | BMA | £12.31 | 5 days | |
| 16ER0.7ISOBMA | External | Right Hand | Metric | 0.7 | 16 | BMA | £12.31 | In Stock | |
| 16ER0.8ISOBMA | External | Right Hand | Metric | 0.8 | 16 | BMA | £9.50 | In Stock | |
| 16ER1.0ISOBMA | External | Right Hand | Metric | 1 | 16 | BMA | £9.50 | In Stock | |
| 16ER1.25ISOBMA | External | Right Hand | Metric | 1.25 | 16 | BMA | £9.50 | In Stock | |
| 16ER1.5ISOBMA | External | Right Hand | Metric | 1.5 | 16 | BMA | £9.50 | In Stock | |
| 16ER1.75ISOBMA | External | Right Hand | Metric | 1.75 | 16 | BMA | £9.50 | In Stock | |
| 16ER2.0ISOBMA | External | Right Hand | Metric | 2 | 16 | BMA | £9.50 | In Stock | |
| 16ER2.5ISOBMA | External | Right Hand | Metric | 2.5 | 16 | BMA | £9.50 | In Stock | |
| 16ER3.0ISOBMA | External | Right Hand | Metric | 3 | 16 | BMA | £9.50 | In Stock | |
| 16ER3.5ISOBMA | External | Right Hand | Metric | 3.5 | 16 | BMA | £9.50 | 5 days | |
| 22EL3.5ISOBMA | External | Left Hand | Metric | 3.5 | 22 | BMA | £13.93 | 5 days | |
| 22EL4.0ISOBMA | External | Left Hand | Metric | 4 | 22 | BMA | £13.93 | In Stock | |
| 22EL4.5ISOBMA Viewing | External | Left Hand | Metric | 4.5 | 22 | BMA | £13.93 | 5 days | |
| 22EL5.0ISOBMA | External | Left Hand | Metric | 5 | 22 | BMA | £13.93 | In Stock | |
| 22EL5.5ISOBMA | External | Left Hand | Metric | 5.5 | 22 | BMA | £13.93 | 5 days | |
| 22EL6.0ISOBMA | External | Left Hand | Metric | 6 | 22 | BMA | £10.69 | 5 days | |
| 22ER3.5ISOBMA | External | Right Hand | Metric | 3.5 | 22 | BMA | £13.93 | In Stock | |
| 22ER4.0ISOBMA | External | Right Hand | Metric | 4 | 22 | BMA | £13.93 | In Stock | |
| 22ER4.5ISOBMA | External | Right Hand | Metric | 4.5 | 22 | BMA | £13.93 | In Stock | |
| 22ER5.0ISOBMA | External | Right Hand | Metric | 5 | 22 | BMA | £13.93 | In Stock | |
| 22ER5.5ISOBMA | External | Right Hand | Metric | 5.5 | 22 | BMA | £13.93 | In Stock | |
| 22ER6.0ISOBMA | External | Right Hand | Metric | 6 | 22 | BMA | £13.93 | 5 days |
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