Measuring Tips![]() Notes on sizing: Average dimensions are given for each screw. These are useful if you are trying to find an exact replacement screw. However, in most cases you can substitute a slightly longer or shorter screw.
For instance the difference in the length of a screw that is 2.20 and one that is 2.40 is only the thickness of a business card. A dollar bill is 0.1mm thick and a blonde hair is .04mm Diameter Length Screws are listed under their thread length in the case of pan head and wafer head or under their overall length in the case of flat head screws. We give the dimensions in each description.
Service Manuals If you are searching for laptop screws be aware that some laptop manufacturers (ie HP & Compaq) measure overall length but some measure from underneath the head like you would a regular pan head. If an HP or Compaq manuals calls a 9mm length order an 8mm screw. Also be aware that mistakes have been found in some manuals. M2.5 reported as M2 or M3 reported as M2.5
If you are having difficulty locating your exact size don't forget to look at the larger or smaller sizes as it may not be listed under the heading where you are searching.
Please don't hesitate to write if you have any problems using our new layout.
Yes, we know that it is confusing. We are trying to remedy that as much as possible. If you have any recommendations about how we can improve your buying experience please don't hesitate to let us know.
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