The Key M4 x 4 x 14 Form A CS PL UN by G L Huyett is a precision-engineered component designed for securing rotating parts in machinery. Constructed from high-quality carbon steel, this key offers excellent strength and durability. With dimensions of 4mm x 4mm x 14mm, it fits perfectly into standard keyways, ensuring a tight grip and preventing slippage. This key is ideal for various mechanical applications, meeting industry standards for performance and reliability. Its compact size makes it easy to handle and install.