RS PRO Slot Countersunk Steel Machine Screw M3 Thread 20mm Length 553-863

RS PRO 553-863 Slot Countersunk Steel Machine Screw with M3 thread and 20 mm length is designed for precision fastening in mechanical assemblies and industrial applications. Crafted from robust steel, this machine screw is ideal for securing components where corrosion resistance and mechanical strength are essential.

Its countersunk head shape allows the screw to sit flush with the surface, providing a neat finish and reducing the risk of snagging. The slot drive type supports ease of installation and maintenance using standard screwdrivers.

The passivated zinc plated finish enhances the screw's durability by protecting it against rust, making it suitable for use in environments with moderate moisture exposure.

This screw adheres to DIN 963 standards, assuring compatibility and reliability in industrial and mechanical settings, such as manufacturing, repair work, and laboratory equipment assembly.

The product is widely used across applications including machinery assembly, automation equipment, industrial fastenings, and HVAC installations. It offers reliable performance in fastening tasks requiring M3 thread precision and consistent length.

Manufactured from durable steel material ensuring strength and longevity. Passivated zinc plated finish provides corrosion resistance. Features a slot drive type for conventional screwdriver compatibility. Countersunk head shape allows flush installation with surfaces.

Thread size is M3 with 20 mm length for small and medium applications. Complies with DIN 963 standards for industrial quality assurance. Explore the RS PRO range on EnvMart for quality mechanical fasteners suitable for industrial, construction, and laboratory use.

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