Button Head Hex Machine Screw M4x22mm (4) (ARA721422)

M4 x 22 mm Button Head Hex Machine Screws are replacement fasteners, sold as a four-pack for kit components that use M4 hardware.

Made from durable steel, these screws feature precision threads for a consistent fit and easy servicing. The button head provides a neat, low-profile appearance, with a 4 mm diameter and 22 mm overall length to suit standard mounting points in hobby kits and similar assemblies.