The ITP Star Stylus SCM3S3005020 is a versatile measuring accessory built for machinists, toolmakers, and quality inspectors who need reliable measurements on large-diameter features, deep bores, and threaded details. Its silicon nitride ball and rigid star-arm design deliver accurate results even with long gauging lengths.

• Model / Part: SCM3S3005020
• Ball Material: Silicon nitride ball for high hardness, wear resistance, and stable contact
• Thread: M3 XXT thread for secure attachment to compatible probes
• Measuring Length: 11 mm to reach deep features without compromising rigidity
• Star Stylus Design: Fixed probe arms in a star configuration to enable task-specific measuring programs while maintaining stiffness
• Primary Applications: Ideal for measuring large diameters, undercuts, and threaded features without bending or flexing

The Star Stylus excels in scenarios where long reach is needed but bending must be minimized. Use it to capture accurate data in deep holes, measure bottom features when a stem-direction probe isn’t available (type W configurations), and reliably assess thread depths and diameters. The combination of a silicon nitride sphere and a robust mounting reduces wear and enhances repeatability across repetitive QC cycles, making it a dependable choice for precision manufacturing environments.