Metric To Standard Drill Bit Conversion Chart

Arrow forward standard metric drill bit sizes arrow forward fractional inch drill bit sizes arrow forward wire gauge drill bit sizes.
Metric to standard drill bit conversion chart. Metric drill bit sizes. Because of differences in numbering systems some conversions are approximated but are within 0001 inch. Drill size conversion table this table is the chart for converting and identifying various drill bit sizes. If all else fails you may want to use our tap drill size calculator.
Standard drill bit sizes for cnc machining conversion tables. A good drill size chart can also be used as a handy decimal equivalence chart as well as to convert decimal sizes to metric. In practice you will seldom see number sizes past 80. Double cut carbide burrs.
Number drill bit sizes letter drill bit sizes. Metric drill sizes are used primarily in europe and use metric units to measure the drill bit diameter. The tables below summarize the standard drill bit sizes used in cnc machining. 60 degree double cut carbide burrs.
Drill bits also called twist drills are available with straight or tapered shanks though the most common drill bits will have straight shanks. 6 double cut carbide burrs. The asme b94 11m twist drill standard establishes number drill bit sizes from size 1 to 97.