Meet the ITP Straight Stylus Type A with a silicon nitride ball — a dependable, budget-friendly stylus designed for everyday measurement tasks. Its stainless steel stem delivers solid rigidity, making it a practical choice for routine CMM probing and scanning, especially when working with untreated aluminium.

• Type: Type A straight stylus
• Thread: M4 thread for secure attachment to standard probe heads
• Overall length: 20 mm
• Stem material: Stainless steel for high rigidity and durability
• Ball material: Silicon nitride ball for wear resistance and smooth scanning
• Ball diameters available: Ø1.0 mm to Ø8.0 mm within this configuration
• Custom sizes: Other ball diameters can be requested via the configurator or by e-mail
• Part number: TIM4S4007020
• Best use: Particularly suited for scanning untreated aluminium parts

The silicon nitride ball reduces wear and maintains measurement accuracy when contacting bare aluminium surfaces, while the stainless steel stem provides dependable rigidity for repeatable results. With a compact 20 mm footprint and a universal M4 connection, this stylus integrates smoothly into most probing systems, helping you achieve reliable data in everyday inspection, calibration, and first-article checks on metal parts.