1 anchor F a device that adds support to a screw
2 nut A a piece of metal with a hole in the middle
5 clamp C a device that tightly presses things together
6 metric thread D a thread measured in millimeters
3 nail B a long, narrow fastener with a smooth rod
7 sheet metal screw G a fastener with threads along the entire rod
4 grade E the measurement of a bolt's strength
