The G L Huyett Machine Key M6 x 4 x 25 Form A is crafted from durable carbon steel, specifically designed for applications requiring an undersized fit. With dimensions of 25 mm in length and 4 mm in width, this key provides a reliable solution for securing rotating components in machinery. Its robust construction ensures longevity and performance under various operating conditions. This key is ideal for use in mechanical assemblies where precise alignment is critical, meeting industry standards for quality and reliability.