Description
Mill-Thread Insert – ISO 3.0 mm Pitch, Internal
The 40 I 3.0 ISO MT7 Mill-Thread Insert is designed for internal threading of ISO metric profiles on CNC milling machines using helical interpolation. With a 3.0 mm pitch, this insert is ideal for medium-coarse ISO threads used in heavy-duty mechanical and structural components. Featuring a size 40 body, 20 mm height, and 6.3 mm thickness, it provides exceptional rigidity, accurate thread profile formation, and smooth chip flow under demanding cutting conditions.
Constructed from Carmex’s durable MT7 carbide grade, this insert delivers excellent wear resistance, heat stability, and a long tool life. It is fully compatible with Carmex’s SR series toolholders, which are available in single, twin, and multi-insert configurations with optional carbide shanks and internal coolant ensuring optimal machining efficiency and secure clamping.
Key Features:
- Ordering Code: 40 I 3.0 ISO MT7
- Thread Type: Internal Threading
- Thread Profile: ISO – Metric
- Pitch (mm): 3.0
- Insert Size: 40
- H (Height): 20 mm
- T (Thickness): 6.3 mm
- Carbide Grade: MT7
- Insert Type: Internal-use only
- Applications: Medium-pitch ISO internal threads for structural, industrial, and precision-machined parts
- Key Advantage: Consistent thread quality and durability 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 SR Series Toolholders ensuring complete performance and compatibility from insert to toolholder.
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