(Button Head Screw) Bhs M4x20 (BLACK)Button Head Socket Cap Screws

Secure your projects with these durable M4x20mm button head socket cap screws. Crafted from high-quality black alloy steel, they offer superior strength and corrosion resistance. The low-profile button head provides a clean, finished look and is ideal for applications where clearance is limited or a smooth surface is desired. Featuring a hexagonal socket drive, these screws ensure a tight fit and easy installation with the correct tool. Perfect for machinery, electronics, and general assembly where reliability and a professional finish are essential.