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Measuring Screw Lengths

Measuring a screw's length is easy. On our site, there are basically three different types of screws and their length can be easily determined.

  • Flat head screws have flat heads, their length is measured from the top of the head to the tip of the screw. Basically, this is the overall length of the screw.
    Measure Flat Head Screw Length
  • Washer head screws have "washers" under their head and are meant to stop when the head of the screw has been hit. Their length is measured from the bottom of the head to the tip of the screw.
    Measure washer head screw's length 
  • Pan head screw or modified pan head screw. These screws are similar to the washer head screw, as their length is measured from the bottom of the head to the tip.
    Measure pan head screw length