Letter-shaped fastener

The answer to the crossword question “Letter-shaped fastener is TNUT” is TNUT because T-nuts are a type of fastener that are shaped like the letter T. They are typically used to attach a piece of wood or metal to another surface or structure. T-nuts have a threaded hole that allows a machine screw or bolt to be inserted and tightened, creating a secure connection. The T shape of the nut provides additional stability and prevents the nut from rotating once it is inserted into the surface. Overall, T-nuts are a useful and versatile type of fastener that are commonly found in various industries such as woodworking, furniture-making, and automotive manufacturing.