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Carmex Thread Turning External Insert - 55 Degree Partial - Left Hand - 11ELA55BMA

Carmex Thread Turning External Insert - 55 Degree Partial - Left Hand - 11ELA55BMA

SKU:11ELA55BMA

The Carmex Thread Turning External Insert, 55 Degree Partial - Left Hand (11ELA55BMA), is a versatile laydown triangular insert designed for external thread turning. It’s built to cover a wide ra... Read more ↓
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Thread TypeExternal
Thread DirectionLeft Hand
Thread Form55 Degree Partial
Pitch0.5-1.50 (48-16)
Insert Size11
GradeBMA
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£8.59
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5 days estimated lead time — subject to availability
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The Carmex Thread Turning External Insert, 55 Degree Partial - Left Hand (11ELA55BMA), is a versatile laydown triangular insert designed for external thread turning. It’s built to cover a wide range of thread standards, giving you a single, dependable solution for many common threading tasks.

Ideal for engineers, machinists, buyers, tradespeople, hobbyists, and production environments, this insert handles everything from straightforward threading jobs to more demanding applications with consistent results. The 55-degree partial, left-hand configuration helps you complete left-handed threads with precision and reliability.

  • 55° edge geometry for efficient external threading: Optimized cutting angle delivers clean, accurate threads, smooth entry, and predictable chip control.
  • Broad compatibility with major thread standards: Designed to cover the majority of thread standards in use today, reducing tool changes and inventory.
  • Left-hand, laydown triangular design: Specifically engineered for left-hand threading with stable engagement and consistent results across common profiles.

With this insert, you gain a flexible, reliable tool that streamlines setup, reduces downtime, and delivers consistent, high-quality thread finishes across a broad range of materials and applications. The broad compatibility minimizes tool changes, helping your shop stay productive, while the precise 55° edge geometry and left-hand configuration ensure predictable results and a smooth surface finish.

Thread Type External
Thread Direction Left Hand
Thread Form 55 Degree Partial
Pitch 0.5-1.50 (48-16)
Insert Size 11
Grade BMA

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.

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