Carmex External Right Hand UN Unified Thread Turning Insert 4 TPI / 27 ER 4 UN BMA

SKU: 27 ER 4 UN BMA

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Sale price$70.57

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Description

External Thread Turning Insert – UN Full Profile

The UN Full Profile External Thread Turning Insert is designed for producing Unified thread forms with precision and strength. With a 60° thread angle and a 4 TPI pitch, this insert generates the complete thread profile—including crest, root, and flanks—in a single pass, making it ideal for heavy-duty external threading applications.

Constructed from robust BMA-grade carbide, this insert provides excellent wear resistance and heat stability. The geometry, featuring X and Y dimensions of 2.1 mm and 3.0 mm, ensures smooth chip evacuation and consistent cutting performance even in demanding conditions.

Key Features:

  • Ordering Code: 27 ER 4 UN BMA
  • Thread Type: UN (Unified Thread – 60°)
  • Profile: Full Form
  • Insert Type: External
  • Hand: Right Hand
  • L: 22 mm
  • I.C.: 1/2"
  • Pitch: 4 TPI
  • X: 2.1 mm
  • Y: 3.0 mm
  • Carbide Grade: BMA
  • Applications: External Thread Turning for Unified Thread Standards
  • Key Advantage: High-strength, full-profile threading with excellent durability and precision

Carmex Precision Tools Ltd. is a global leader in the development of precision threading tools. Their extensive range of solutions includes Thread Turning Inserts, Mill Thread systems, and Solid Carbide threadmills—trusted by professionals for performance, reliability, and innovation in industrial machining.

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