The G L Huyett M8 x 8 x 25 Form B machine key is an undersized component made from high-strength carbon steel, designed for reliable performance in mechanical applications. With a width of 8mm and a length of 25mm, this key fits standard M8 keyways, ensuring a secure fit for various machinery and equipment. Its undersized design allows for easier installation and adjustment, making it suitable for applications where precision is critical. The plain finish of the key allows for seamless integration into existing systems, providing a dependable solution for securing rotating parts.