The Machine Key M12 x 8 x 140 Form A is an undersized key made from C45K steel, designed for secure engagement in mechanical assemblies. Measuring 12 mm in width, 8 mm in height, and 140 mm in length, this key is ideal for applications requiring precise alignment and torque transmission. Its robust construction ensures durability and resistance to wear, making it suitable for various industrial applications. This machine key meets relevant industry standards, ensuring compatibility and performance in demanding environments.