The M6 x 6 x 40 Form A Key is constructed from SS300 stainless steel, providing excellent corrosion resistance and durability. This key is designed for use in keyway applications, ensuring a secure fit for shafts and hubs in various mechanical systems. Its dimensions make it suitable for a wide range of applications, including automotive, machinery, and industrial uses. The stainless steel material offers strength and longevity, while the plain finish allows for easy integration into existing assemblies. This key complies with industry standards for quality and performance.