What is a screwdriver? How many types of screwdrivers are there?

screwdriver is

A screwdriver is a tool used to tighten or loosen a screw. The screwdriver consists of 3 main parts: the screwdriver handle, the screwdriver shaft, the screwdriver mouth, which the mouth part is used for screwing. They have different shapes to work with different types of screws, and screwdrivers work by transmitting torque from rotation to the tip. cause the screw to rotate accordingly, threading into or out of that material

How many types of screwdrivers are there?

If divided by the shape of the screwdriver tip can share a lot But the most commonly used, there are 4 of them:

Slotted Screwdriver

It is another standard screwdriver that can be seen in daily life. The mouth of the screwdriver looks like a flat metal plate. Similar to the minus (-) symbol, suitable for tightening and loosening slotted screws.

Phillips Screwdriver

This type of screwdriver is a basic design with a cross-shaped tip. (Plus sign (+) is used to tighten and loosen Phillips head screws installed in various applications.

Torx Screwdriver

Screwdriver mouth looks like a six-pointed star. This type of screwdriver is commonly used in the automotive industry. Electronic industry such as engine disassembly Maintenance of mobile phones, computers, etc.

Hexagon Screwdriver

Screwdriver mouth is the same as a hexagon wrench. This type of screwdriver exerts more force than an L-shaped hexagon wrench. Suitable for tightening and loosening socket head screws or bolts with hexagonal holes.

How to use a screwdriver

  • Choose the right size of screwdriver for the screw head that needs to be opened.
  • Place the screws in the correct position.
  • Insert the tip of the screwdriver into the head of the screw.
  • Turn the screwdriver to the right or clockwise. until the screw passes through the material being screwed until the screw is tight
  • Both tightening and loosening, press the screwdriver into the middle of the screw firmly, must ensure that the screwdriver blade touches the groove of the screw all the time so as not to damage the screw head.