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Carmex Thread Turning External Insert - Metric - Left Hand - 22EL4.0ISOBMA

Carmex Thread Turning External Insert - Metric - Left Hand - 22EL4.0ISOBMA

SKU:22EL4.0ISOBMA

The Carmex Thread Turning External Insert, Metric, Left Hand, 22EL4.0ISOBMA, is part of Carmex's industry-leading range of thread turning inserts. These high-quality laydown triangular inserts ar... Read more ↓
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Thread TypeExternal
Thread DirectionLeft Hand
Thread FormMetric
Pitch4
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£13.93
Prices shown ex. VAT
In Stock— only 5 left
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Free delivery over £50 ex VAT
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14-day returns
30+ years expertise
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01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Description

The Carmex Thread Turning External Insert, Metric, Left Hand, 22EL4.0ISOBMA, is part of Carmex's industry-leading range of thread turning inserts. These high-quality laydown triangular inserts are designed to provide a reliable solution for a wide range of metric left-hand threading tasks, covering the standards most shops encounter today.

Whether you’re tackling basic threading work or more demanding production runs, this insert offers versatile capability that addresses the majority of thread standards available today.

  • Broad compatibility with metric left-hand threads and most thread standards: Enables a single insert to cover a wide range of threading tasks, reducing tool changes and simplifying procurement.
  • Laydown triangular geometry for versatile threading: Supports straightforward setup and delivers reliable results across simple to challenging applications.
  • Globally recognized quality and consistency: Provides dependable performance across materials and standards, helping you achieve repeatable results and build confidence in every job.

This insert helps you streamline workflows, cut setup and changeover time, and deliver consistent, high-quality thread finishes. By consolidating threading needs into a single, reliable tool, you can improve productivity and reduce rework across both small runs and larger production cycles.

Part Numbers

Protool Part Number
22EL4.0ISOBMA
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.

Ask our technical team about this tool

Not sure if this is the right tool for your job? Ask us about speeds and feeds, material suitability, holders or alternatives — 30+ years of machining experience on the other end.

Prefer to talk? Call 01732 887334 — Mon–Thurs 8:30–17:30, Fri 8:30–16:30.

Full Range: Carmex Thread Turning External Inserts - ISO - Right/Left Hand

View full collection →

You are viewing 22EL4.0ISOBMA. Click any other SKU to view its full details.

Product SKUThread TypeThread DirectionThread FormPitchInsert SizeGradePriceStock Order
16EL0.35ISOBMA ExternalLeft HandMetric0.3516BMA£9.47 5 days
16EL0.45ISOBMA ExternalLeft HandMetric0.4516BMA£9.47 5 days
16EL0.4ISOBMA ExternalLeft HandMetric0.416BMA£9.47 5 days
16EL0.5ISOBMA ExternalLeft HandMetric0.516BMA£12.31 5 days
16EL0.6ISOBMA ExternalLeft HandMetric0.616BMA£9.47 5 days
16EL0.75ISOBMA ExternalLeft HandMetric0.7516BMA£12.31 5 days
16EL0.7ISOBMA ExternalLeft HandMetric0.716BMA£12.31 5 days
16EL0.8ISOBMA ExternalLeft HandMetric0.816BMA£9.50 5 days
16EL1.0ISOBMA ExternalLeft HandMetric116BMA£9.50 In Stock
16EL1.25ISOBMA ExternalLeft HandMetric1.2516BMA£9.50 5 days
16EL1.5ISOBMA ExternalLeft HandMetric1.516BMA£9.50 5 days
16EL1.75ISOBMA ExternalLeft HandMetric1.7516BMA£9.50 5 days
16EL2.0ISOBMA ExternalLeft HandMetric216BMA£9.50 5 days
16EL2.5ISOBMA ExternalLeft HandMetric2.516BMA£9.50 In Stock
16EL3.0ISOBMA ExternalLeft HandMetric316BMA£9.50 5 days
16EL3.5ISOBMA ExternalLeft HandMetric3.516BMA£9.50 In Stock
16ER0.25ISOBMA ExternalRight HandMetric0.2516BMA£12.33 In Stock
16ER0.35ISOBMA ExternalRight HandMetric0.3516BMA£12.31 5 days
16ER0.45ISOBMA ExternalRight HandMetric0.4516BMA£12.31 5 days
16ER0.4ISOBMA ExternalRight HandMetric0.416BMA£12.31 In Stock
16ER0.5ISOBMA ExternalRight HandMetric0.516BMA£12.31 In Stock
16ER0.6ISOBMA ExternalRight HandMetric0.616BMA£12.31 5 days
16ER0.75ISOBMA ExternalRight HandMetric0.7516BMA£12.31 5 days
16ER0.7ISOBMA ExternalRight HandMetric0.716BMA£12.31 In Stock
16ER0.8ISOBMA ExternalRight HandMetric0.816BMA£9.50 In Stock
16ER1.0ISOBMA ExternalRight HandMetric116BMA£9.50 In Stock
16ER1.25ISOBMA ExternalRight HandMetric1.2516BMA£9.50 In Stock
16ER1.5ISOBMA ExternalRight HandMetric1.516BMA£9.50 In Stock
16ER1.75ISOBMA ExternalRight HandMetric1.7516BMA£9.50 In Stock
16ER2.0ISOBMA ExternalRight HandMetric216BMA£9.50 In Stock
16ER2.5ISOBMA ExternalRight HandMetric2.516BMA£9.50 In Stock
16ER3.0ISOBMA ExternalRight HandMetric316BMA£9.50 In Stock
16ER3.5ISOBMA ExternalRight HandMetric3.516BMA£9.50 5 days
22EL3.5ISOBMA ExternalLeft HandMetric3.522BMA£13.93 5 days
22EL4.0ISOBMA ViewingExternalLeft HandMetric422BMA£13.93 In Stock
22EL4.5ISOBMA ExternalLeft HandMetric4.522BMA£13.93 5 days
22EL5.0ISOBMA ExternalLeft HandMetric522BMA£13.93 In Stock
22EL5.5ISOBMA ExternalLeft HandMetric5.522BMA£13.93 5 days
22EL6.0ISOBMA ExternalLeft HandMetric622BMA£10.69 5 days
22ER3.5ISOBMA ExternalRight HandMetric3.522BMA£13.93 In Stock
22ER4.0ISOBMA ExternalRight HandMetric422BMA£13.93 In Stock
22ER4.5ISOBMA ExternalRight HandMetric4.522BMA£13.93 In Stock
22ER5.0ISOBMA ExternalRight HandMetric522BMA£13.93 In Stock
22ER5.5ISOBMA ExternalRight HandMetric5.522BMA£13.93 In Stock
22ER6.0ISOBMA ExternalRight HandMetric622BMA£13.93 5 days

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