27 x 35.8 mm Drive: 1/2 inch Application: A hex socket is a socket designed to fit the head of a hexagonal fastener such as a nut or a bolt. Hex sockets are also referred to as 6-point sockets and are formed where the internal walls from the hexag"/> 27 x 35.8 mm Drive: 1/2 inch Application: A hex socket is a socket designed to fit the head of a hexagonal fastener such as a nut or a bolt. Hex sockets are also referred to as 6-point sockets and are formed where the internal walls from the hexag"/>