Drill Bit Size Chart. Fractional to decimal & metric (small to large) the following drill chart covers the smallest standard drill diameter size of strong>1/64 to 21/32 and gives you the equivalent sizes in both decimal inches and millimeters. Drill bit asked ashley vitali last updated 17th may, 2020 category hobbies and interests model toys 2,409 views votes drill bit size chart size decimal equivalent size.35 0.0138 8.60.36.
They are commonly used to drill lathe centres and spotting drills, i.e.marking holes to guide twist drilling. Fractional sizes are measured in inches, while metric sizes are measured in millimeters. These printable tip sheets are available in pdf format.
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In practice, you will seldom see number sizes past #80. The drill size chart below contains all commonly used centre drill bit sizes. Engineering laminate technical data sheet, quick reference, 1 page, height 11 in,. The drill size chart is a table list standard size drill bits in several measurement systems, including fractional, metric, wire gauge number, and letter.
