Premium Grade 10.9 Black Oxide Round Cup Mushroom Head Hexagon Screws are engineered for heavy-duty industrial applications, featuring BSW imperial thread sizes 3/16-24 and 1/4-20 for seamless compatibility with standard British system equipment.
Crafted from high-quality carbon steel with a durable black oxide finish, these screws deliver excellent tensile strength, corrosion resistance, and wear resistance, ideal for machinery assembly, equipment maintenance, and precision engineering projects. The half round/mushroom head design ensures a flush, aesthetic fit while providing reliable torque during installation.
We offer flexible MOQs for both small-batch maintenance needs and large-scale production orders, with fast shipping to GCC, Europe, and North America. Choose the right size based on your equipment’s thread specifications for a secure, long-lasting fastening solution.
