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Carmex Thread Turning External Insert - API 383 - Right Hand - 27ER4API383BMA

Carmex Thread Turning External Insert - API 383 - Right Hand - 27ER4API383BMA

SKU:27ER4API383BMA

Carmex Thread Turning External Insert - API 383 - Right Hand - 27ER4API383BMA is a precision threading insert designed for external thread turning. It delivers clean, accurate threads with predic... Read more ↓
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Thread TypeExternal
Thread DirectionRight Hand
Thread FormAPI 383
Pitch4
Insert Size27
GradeBMA
Download Cutting Data
£19.37
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5 days estimated lead time — subject to availability
Free delivery over £50 ex VAT
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Carmex Thread Turning External Insert - API 383 - Right Hand - 27ER4API383BMA is a precision threading insert designed for external thread turning. It delivers clean, accurate threads with predictable performance, making it suitable for machinists, engineers, and workshop technicians alike.

As part of an industry-leading range recognized worldwide, these high-quality laydown triangular inserts provide a practical solution for the majority of thread standards used today, from basic projects to the most demanding tasks.

  • Broad thread compatibility: These laydown triangular inserts cover the majority of thread standards in use today, reducing the need to stock multiple tools and simplifying tooling decisions.
  • Versatile for basic to demanding applications: From simple threading tasks to challenging production runs, these inserts maintain reliable results across a wide range of threading requirements.
  • Durable triangular geometry for stable cutting: The laydown design supports steady feeds and excellent chip control, helping extend insert life and deliver smoother, more consistent thread profiles.

This insert helps streamline manufacturing workflows by delivering consistent, high-quality thread forms with minimal setup. Its broad compatibility reduces tool-change downtime and simplifies inventory, while its durable geometry supports longer tool life and reliable performance across everyday to demanding threading tasks. With Carmex API 383 external insert, you can expect dependable results and improved productivity in your threading operations.

Thread Type External
Thread Direction Right Hand
Thread Form API 383
Pitch 4
Insert Size 27
Grade BMA

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We are open Monday to Friday between 8:30am and 5pm.

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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.
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  • 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.

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