What Are Screwdriver Sizes
The Most Important Technique Is to Use the Right Size Screwdriver. While Screw Size Is Shrouded in Mystery, There Are Four Basic Sizes of Phillips Screwdriver...
The most important technique is to use the right size screwdriver. While screw size is shrouded in mystery, there are four basic sizes of Phillips screwdriver — from #0 to #4 — #0 being the smallest. The most common sizes are #2 and #1, #2 for standard screw sizes, #1 for “miniature”.
How are screwdriver Sizes determined?
Check out screwdriver sets on Amazon. Phillips head screwdrivers come in sizes indicated by numbers rather than measurements, such as is the case with regular or flathead screwdrivers. Screws, too, are designated according to number, from 0 to 24.
What size is a screwdriver bit?
Most screwdriver bits have a shank diameter of ¼ inch (6.35mm). This means they can be used in tools with a ¼ inch chuck size.