Description
Mill-Thread Insert – UN 28 TPI, Internal
The 14 I 28 UN MT7 Mill-Thread Insert is designed for internal threading of Unified National (UN) profiles using CNC milling machines with helical interpolation. With a fine thread pitch of 28 TPI, this insert is ideal for high-precision applications requiring compact, detailed thread forms. It features an insert size of 14, 7.5 mm height, and 3.1 mm thickness—providing a balanced combination of strength and accuracy for internal threading tasks.
Crafted from Carmex’s reliable MT7 carbide grade, the insert offers outstanding wear resistance and long-term consistency in performance. It integrates seamlessly with Carmex’s SR series toolholders, enabling secure clamping, internal coolant capabilities, and optimized chip evacuation in a range of production setups.
Key Features:
- Ordering Code: 14 I 28 UN MT7
- Thread Type: Internal Threading
- Thread Profile: UN – Unified National
- Pitch (TPI): 28
- Insert Size: 14
- H (Height): 7.5 mm
- T (Thickness): 3.1 mm
- Carbide Grade: MT7
- Insert Type: Internal-use only
- Applications: Fine-pitch internal unified threads for precision mechanical components
- Key Advantage: High-accuracy threading with excellent durability and SR series 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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