These premium shoulder screws combine the precision of hex socket cap screws with specialized shoulder designs for bearing applications. Manufactured from high-grade 304 stainless steel, they offer superior corrosion resistance and durability across diverse industrial uses. The precision-machined hex socket head ensures secure tool engagement and reliable torque application. Available in a comprehensive range of metric sizes from M2 to M12, these versatile fasteners feature a unique shoulder design that provides precise axial positioning - crucial for roller bearing installations and rotary applications. The cylindrical shoulder section maintains tight tolerances for smooth bearing operation, while the threaded portion delivers secure mounting. Perfect for mechanical assemblies requiring precise shaft alignment, these screws excel in applications involving rotating components, guide rollers, and pivot points. Their robust construction and precise engineering make them ideal for both light-duty and heavy-duty mechanical applications where reliability is paramount.