The crossword solution for the term 'Sort of Fastener' is CLAMP, which is a five-letter word. A CLAMP is a device used to hold two or more objects together. It is usually made of metal and has two parts that can be tightened together with a screw or lever. Clamps are often used in carpentry and other construction projects, as well as in plumbing and electrical work. They are also used to secure items such as hoses, pipes, and wires.