Metric threaded diameter: M3 (3 mm) / M4 (4 mm) / M5 (5 mm) / M6 (6 mm) / M8 (8 mm) / M10 (10 mm) / M12 (12 mm) / M16 (16 mm) Set screw with internal hex socket and spring ball detent Length: 6 mm to 40 mm Metric thread pitch: 0.5 mm (M3) / 0.7 mm (M4) / 0.8 mm (M5) / 1.0 mm (M6) / 1.25 mm (M8) / 1.5 mm (M10) / 1.75 mm (M12) / 2.0 mm (M16) Key benefits - Versatile compatibility: covers common metric diameters from M3 to M16, with corresponding pitches for precise engagement - Reliable positioning: spring ball detent provides positive retention for repeated, repeatable adjustments - Secure installation: hex socket drive allows tool-assisted tightening with minimal access space - Flexible sizing: length options from 6 to 40 mm suit various mounting depths and clearance requirements - Clear specification mapping: matches standard metric threads to ensure straightforward replacement and interchangeability Use scenarios - Fixing and indexing parts in workholding fixtures or jigs for repeatable machining setups - Adjustable stops or positioning elements where a detented hold is needed between settings - Mounting optical, measurement, or assembly fixtures that require repeatable, lockable positioning with low profile hardware Compatibility and performance notes - Designed for standard metric threads M3 through M16 - Pitch varies by size to suit fine or coarse adjustment needs - Suitable for applications requiring secure, detented set screws with hex drive and compact form factor