The ITP Disc Styli stainless steel Prob Ball with a 20 mm diameter is a precision probing accessory designed to reach large inside diameters and complex undercuts. Built for metrology workflows that demand reliable, repeatable contact, this Type O disc stylus fits standard probe interfaces for easy integration.

• Material: Stainless steel for durability and corrosion resistance in demanding workshop environments.
• Ball diameter: 20 mm spherical tip for effective contact on large bore measurements.
• Thread type: M5 threading to fit common stylus holders and probing heads.
• Disc geometry: Spherical disc segment optimized for accessing inside diameters and undercuts.
• Type: Type O disc stylus, suited for versatile probing tasks.
• Part number: KIM520011065/2
• Z-direction note: Normal discs are unsuitable for probing in the Z direction unless discs with radius end rollers are used.

This disc stylus enables precise measurement of large internal features where traditional probes struggle, delivering stable contact and reduced measurement uncertainty. The sturdy stainless steel body provides long service life in factory and shop-floor conditions, while the compact 20 mm ball supports accurate data capture in bore-centric inspections. Ideal for quality control in machining, tooling, and assembly environments, it pairs well with CMMs and manual probing setups that require reliable access to expansive internal geometries.