Description
Mill-Thread Insert – UN 20 TPI, Internal
The 14 I 20 UN MT7 Mill-Thread Insert is specifically engineered for internal threading of Unified National (UN) profiles on CNC milling machines using helical interpolation. Designed for a 20 TPI thread pitch, this insert is ideal for fine-threaded internal applications in a range of mechanical and general-purpose components. With an insert size of 14, 7.5 mm height, and 3.1 mm thickness, it ensures optimal balance between cutting strength and precision.
Made from Carmex’s high-quality MT7 carbide grade, the insert provides excellent wear resistance, long tool life, and consistent performance even under demanding conditions. It is designed to work in conjunction with Carmex’s SR series toolholders, which support secure insert clamping, internal coolant delivery, and reliable machining across a wide range of operations.
Key Features:
- Ordering Code: 14 I 20 UN MT7
- Thread Type: Internal Threading
- Thread Profile: UN – Unified National
- Pitch (TPI): 20
- Insert Size: 14
- H (Height): 7.5 mm
- T (Thickness): 3.1 mm
- Carbide Grade: MT7
- Insert Type: Internal-use only
- Applications: Fine-pitch unified internal threads for mechanical and general-use applications
- Key Advantage: Precision threading with robust performance when used with SR series toolholders
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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