Carmex Internal UN Threadmill Insert 21mm/ 8 TPI

SKU:21I8UNMT7

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Harga penjualan$125.57

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Deskripsi

Mill-Thread Insert – UN 8 TPI, Internal

The 21 I 8 UN MT7 Mill-Thread Insert is designed for internal threading of Unified National (UN) profiles using CNC milling machines with helical interpolation. Engineered for coarse-pitch threads at 8 TPI, this insert is ideal for applications requiring high thread strength and durability. With a size 21 insert, 12 mm height, and 3.1 mm thickness, it delivers robust cutting performance and stable threading in larger bore diameters.

Crafted from Carmex’s high-performance MT7 carbide grade, the insert ensures excellent wear resistance, prolonged tool life, and consistent accuracy across production cycles. It integrates seamlessly with Carmex’s SR series toolholders, providing rigid clamping, optional internal coolant delivery, and optimal chip evacuation during machining.

Key Features:

  • Ordering Code: 21 I 8 UN MT7
  • Thread Type: Internal Threading
  • Thread Profile: UN – Unified National
  • Pitch (TPI): 8
  • Insert Size: 21
  • H (Height): 12 mm
  • T (Thickness): 3.1 mm
  • Carbide Grade: MT7
  • Insert Type: Internal-use only
  • Applications: Coarse-pitch internal unified threads for high-strength mechanical components
  • Key Advantage: Durable, high-performance threading with SR series toolholder compatibility

Carmex Precision Tools Ltd. is globally recognized for its advanced threading solutions. The company offers a full range of Thread Turning inserts, Mill-Thread tools, Spiral Mill-Thread, Solid Carbide threadmills, and matching SR Series Toolholders ensuring full compatibility and performance from toolholder to insert.

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