Letter Drill Sizes Decimal

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Letter drill sizes decimal. Although the asme b9411m twist drill standard for example lists sizes as small as size 97 sizes smaller than 80 are rarely encountered in practice. Printable drill decimal equivalents chart number letter and fraction drill sizes. High quality drill bits review low price drill bits review in nearly all other countries metric drill bit sizes are most common like bovidix 1902103423. Drill number decimal cross reference drill number decimal inch decimal mm 97 0059 150 96 0063 160 95 0067 170 94 0071 180 93 0075 190 92 0079 200 91.

Drill sizes helpful for race car hot rod and custom car builders. A chart showing decimal equivalents of wire letter and fractional size drills. Decimal equivalents from 80 to 1 0135 to 1000 drill. Letter and fractional size drills.

Decimal equivalents for drill sizes inch decimal equivalents metric sizes fractional sizes number sizes letter sizes. 800135 700280 600400 510670 3320938 79. Number drill bit gauge sizes range from size 80 the smallest to size 1 the largest followed by letter gauge size a the smallest to size z the largest. In the us fractional inch and gauge drill bit sizes are in common use.

Drill size 80 79 164 78 77 76 75 74 73 72 71 70 69 68 132 67 66 65 64 63 62 61 60 59 58 57 56 364 55 54 53 116 52 51 50 49 48 564 47 46 45 44 43 42. Number drill bit sizes letter drill bit sizes. Drill bits can be made in any size but standards define sets of sizes that are widely produced and stocked. Drill size decimal equivalent tap drill chart decimal equivalent chart drill decimal size mm equivalent 010 0039 020 0079 025 0098 030 0118 80 034 0135.

The asme b9411m twist drill standard establishes number drill bit sizes from size 1 to 97.