6 Mm To Inches Drill Bit. 97 rowsfractional sizes are measured in inches, while metric sizes are measured in millimeters. The wire gauge and letter systems refer to tool diameters that increase as the wire gauge decreases from #107 to #1 and then continues from a to z. The drill size chart contains tools up to 1. 5 inches in diameter, but larger tools are also commonly used. After that they run in 1/32″ increments up to 2 1/4″, then in 1/16″ increments to 3″, 1/8″ increments to 3 1/4 inches, then there’s a 3 1/2″ size.
Number drill bit sizes & letter. Ansi size drill bit chart iso (metric size drills) & conversion to inches drill (in. ) decimal drill (in. ) decimal drill (in. ) decimal drill (mm) decimal This table is the chart for converting and identifying various drill bit sizes. Because of differences in numbering systems, some conversions are approximated but are within. 0001 inch. If all else fails, you may want to use our tap drill size. (in) decimal wire no. /letter metric (mm) 0. 0098 : Due to rounding, a 13/64 drill bit will make the hole smaller than a #6 drill bit and a 7/32 drill bit will make the hole larger than a #6 drill bit. Below we converted the fractions to decimals so you can compare more easily: