Din 914 Stainless Steel Fastener Screw Set with Zinc Column End Fine Thread M3 Size 12mm Length Metric Inch Measurement System

Secure gears, pulleys, sprockets and hubs to shafts, preventing relative rotation in mechanical systems. Lock adjustable tool holders, machine tool fixtures and jigs for precise positioning during machining. Fix small components (valve stems, steering parts, instrument fittings) in high-vibration automotive and aerospace environments. Stabilize adjustable hinges, furniture connectors and household appliance internal parts for long-term structural integrity.