Mill-Thread Insert – ISO 4.0 mm Pitch, External The 40 E 4.0 ISO MT7 Mill-Thread Insert is specifically designed for external threading of ISO metric profiles on CNC milling machines using helical interpolation. With a 4.0 mm pitch, this insert is ideal for producing medium-coarse external threads in structural, mechanical, and industrial applications where precision and strength are required. Built with a size 40 profile, 20 mm height, and 6.3 mm thickness, the insert delivers excellent rigidity, smooth chip control, and accurate thread formation in high-load operations. Manufactured from high-grade MT7 carbide, the insert offers outstanding wear resistance, long tool life, and heat stability under continuous use. It is fully compatible with Carmex’s SR series toolholders for external threading available in multiple insert formats, with internal coolant and reinforced carbide shank options to ensure secure clamping and maximum machining performance. Key Features: Ordering Code: 40 E 4.0 ISO MT7 Thread Type: External Threading Thread Profile: ISO – Metric Pitch (mm): 4.0 Insert Size: 40 H (Height): 20 mm T (Thickness): 6.3 mm Carbide Grade: MT7 Insert Type: External-use only Applications: Medium-coarse ISO external threads in mechanical and industrial components Key Advantage: Accurate, durable threading with full 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 SR Series Toolholders ensuring complete performance and compatibility from insert to toolholder.
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