Mitutoyo 12AAB409 Deep Groove Stylus for SJ-400 Surface Roughness Tester

The Mitutoyo 12AAB409 is a specialized deep groove stylus designed for use with the SJ-400 portable surface roughness tester. This optional stylus features a unique geometry that allows for precise measurement of surface texture in narrow grooves, recesses, and hard-to-reach areas where standard styli cannot effectively reach.

Key Features:

• Deep groove design enables measurement in narrow slots and recessed surfaces
• Direct compatibility with Mitutoyo SJ-400 series surface roughness testers
• Precision-manufactured tip for accurate surface texture analysis
• Extended reach configuration for challenging measurement applications
• Easy stylus replacement for quick changeover between measurement tasks

This stylus expands the measurement capabilities of your SJ-400 system, making it ideal for quality control applications in manufacturing environments where groove profiles, keyways, or recessed surfaces require surface finish verification. The stylus is sold individually and is classified as an optional accessory for the SJ-400 platform.