Normal Tech #Atisadharan

 

Screwdrivers, also known as turn screws, are hand-held, manually-powered implements designed for the insertion and tightening of screws. They are made up of a head or tip, which engages with a screw; a mechanism to apply torque by rotating the tip; and a way to position and support the screwdriver.

The popular tool has a handle and a shaft that enable it to be positioned and supported, and when rotated, to apply torque. A screw has a head with a contour for appropriate screwdrivers tips to engage it in such a way that the application of sufficient torque to the screwdriver will cause the screw to rotate with the force of one hand.

Screwdrivers come in a large variety of sizes to match those of screws, including tiny tip options for jewelers, cabinet makers and gunsmiths. Common tips include:

  • Phillips
  • Slotted (flat-head or 'standard')
  • Six-point
  • Square tip
  • Stubby

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