Deskripsi
Mill-Thread Insert – NPT 18 TPI, External & Internal
The 12-18 NPT MT7 Mill-Thread Insert is designed for machining National Pipe Taper (NPT) threads using helical interpolation on CNC milling machines. Suitable for both external and internal conical pipe threads, this compact-size insert is perfect for small-diameter components used in gas and fluid-tight sealing systems. With a 6.3 mm height and 2.9 mm thickness, the size 12 insert delivers precision and control in confined spaces while maintaining high cutting stability and accuracy. Manufactured from Carmex’s high-performance MT7 carbide grade, it ensures excellent wear resistance, thermal endurance, and consistent results across production batches.
The insert is fully compatible with SR series toolholders, available in single, twin, and multi-insert configurations with internal coolant and carbide shank options. These holders enhance rigidity, improve repeatability, and optimize chip evacuation making them ideal for tight-tolerance threading applications where reliability and consistency are critical.
Key Features:
- Ordering Code: 12-18 NPT MT7
- Thread Type: External and Internal Threading
- Thread Profile: NPT – National Pipe Taper
- Pitch (TPI): 18
- Insert Size: 12
- H (Height): 6.3 mm
- T (Thickness): 2.9 mm
- Carbide Grade: MT7
- Insert Type: Single-sided
- Applications: Precision NPT pipe threading for gas and fluid pressure systems
- Key Advantage: Small-format insert with reliable performance and SR toolholder compatibility
Carmex Precision Tools Ltd. is a leading manufacturer of high-quality cutting tools. Carmex specializes in threading solutions for turning and milling, offering Thread Turning inserts, Mill-Thread systems, Spiral Mill-Thread, and Solid Carbide threadmills engineered to meet the demands of precision CNC machining.
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