CLAMP is typically used in the field of construction. It is a tool made up of two jaws that can grip and hold irregularly-shaped pieces. The jaws are released by releasing the thumb screw. FASTENING is typically used in the field of engineering and structural design. It too consists of two jaws that can grip irregularly shaped pieces, but it also has a couple of slots on the end to fit into bolts or other fasteners on an adjacent piece to help hold them together.
To know more about this tool, see the category Clamp & Fastening at Best Tool Box. The articles here are selected and evaluated by experts.