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Self-tapping

 

 
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Self-tapping is the ability of a screw
Screw

A screw is a shaft with a helix groove or screw thread formed on its surface and provision at one end to turn the screw. Its main uses are as a threaded fastener used to hold objects together, and as a simple machine used to translate torque into linear force....
 to advance when turned, while creating its own thread. Self-tapping screws are commonly used with sheet metal
Sheet metal

Sheet metal is simply metal formed into thin and flat pieces. It is one of the fundamental forms used in metalworking, and can be cut and bent into a variety of different shapes....
 and plastic
Plastic

Plastic is the general common term for a wide range of synthetic or semisynthetic organic chemistry solid materials suitable for the manufacture of industrial products....
 components. This ability is created sometimes by having a gap in the continuity of the thread on the screw. These edges can cut their own threads as the screw is driven in to the material, usually metal or plastic. They function by having a cutting edge which drills away the material, making a hole for the screw to go into.

Self tapping screws are most useful when doing metal and plastic work.








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Self-tapping is the ability of a screw
Screw

A screw is a shaft with a helix groove or screw thread formed on its surface and provision at one end to turn the screw. Its main uses are as a threaded fastener used to hold objects together, and as a simple machine used to translate torque into linear force....
 to advance when turned, while creating its own thread. Self-tapping screws are commonly used with sheet metal
Sheet metal

Sheet metal is simply metal formed into thin and flat pieces. It is one of the fundamental forms used in metalworking, and can be cut and bent into a variety of different shapes....
 and plastic
Plastic

Plastic is the general common term for a wide range of synthetic or semisynthetic organic chemistry solid materials suitable for the manufacture of industrial products....
 components. This ability is created sometimes by having a gap in the continuity of the thread on the screw. These edges can cut their own threads as the screw is driven in to the material, usually metal or plastic. They function by having a cutting edge which drills away the material, making a hole for the screw to go into.

Self tapping screws are most useful when doing metal and plastic work.

See also

  • Fasteners with a tapered shaft
    Screw

    A screw is a shaft with a helix groove or screw thread formed on its surface and provision at one end to turn the screw. Its main uses are as a threaded fastener used to hold objects together, and as a simple machine used to translate torque into linear force....
  • Tap