The Machine Key 1/4 x 1/4 x 2-1/4" Form B is an undersized stainless steel 300 key, engineered for secure connections in mechanical assemblies. With dimensions of 1/4" x 1/4" x 2-1/4", it fits standard keyways, ensuring a reliable grip between shafts and hubs. Made from high-quality stainless steel, this key offers exceptional resistance to corrosion and wear, making it suitable for various applications, including motors and gear systems. Compliant with ANSI standards, it guarantees durability and performance in demanding environments.