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Carmex Thread Turning External Insert - American Butress - Left Hand - 11EL20ABUTBMA

Carmex Thread Turning External Insert - American Butress - Left Hand - 11EL20ABUTBMA

SKU:11EL20ABUTBMA

Carmex Thread Turning External Insert – American Butress – Left Hand – 11EL20ABUTBMA is a precision carbide insert for external thread turning. Part of Carmex's industry-leading range, this laydo... Read more ↓
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Thread TypeExternal
Thread DirectionLeft Hand
Thread FormAmerican Butress
Pitch20
Insert Size11
GradeBMA
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£10.28
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Carmex Thread Turning External Insert – American Butress – Left Hand – 11EL20ABUTBMA is a precision carbide insert for external thread turning. Part of Carmex's industry-leading range, this laydown triangular insert is designed to cover the majority of thread standards in use today, delivering clean, accurate thread forms across a wide range of applications.

Ideal for engineers, machinists, and technicians who value dependable performance, this left-hand insert supports both basic and demanding threading tasks with consistent results. The compact geometry helps reduce setup time and minimizes tool changes while maintaining stable cutting action.

  • Broad thread-standards compatibility: Covers the majority of external thread standards, enabling quick setup and reducing the need for multiple tools.
  • Durable carbide with precise geometry: Delivers long tool life and reliable thread formation, even in challenging materials, with consistent finishes.
  • Left-hand threading optimized: Specifically designed for left-hand external threads, delivering controlled cutting action and easier setup in dedicated runs.

Using this insert helps streamline threading workflows, reduces downtime, and ensures repeatable, high-quality thread forms across parts. Its broad compatibility, durable construction, and left-hand readiness give you confidence to tackle a wide range of threading tasks with predictable results.

Thread Type External
Thread Direction Left Hand
Thread Form American Butress
Pitch 20
Insert Size 11
Grade BMA

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