Electric Tools-Screwdriver

Screwdriver definition

A common tool used to turn a screw to hold it in place, usually having a thin wedge head that can be inserted into the slot or notch of the screw head.

Technical principle

The working principle of the wheel shaft

Screwdriver classification

• Ordinary screwdriver

• Combined screwdriver

• Electric screwdriver

• Watch driver

• Small diamond screwdriver