2003 Polaris ATV Trail Boss 330 Factory Service Manual, Page 14Get this manual
GENERAL INFORMATION
SAE TAP DRILL SIZES
Thread SizeDrill Size #0-80 #1-64 #1-72 #2-56 #2-64 #3-48 #3-56 #4-40 #4-48 #5-40 #5-44 #6-32 #6-40 #8-32 #8-36 #10-24 #10-32 #12-24 #12-28 14-20 14-28 516-18 516-24 38-16 38-24 716-14 716-20 364 53 53 51 50 564 45 43 42 38 37 36 33 29 29 24 21 17 4.6mm 2564 Thread SizeDrill Size 12-13 12-20 916-12 916-18 58-11 58-18 34-10 34-16 78-9 78-14 1-8 1-12 18-7 18-12 14-7 14-12 12-6 12-12 34-5 34-12 2-4 12 2-12 14-4 12 12-4 34-4 3-4 2764 2964 3164 3364 1732 3764 2132 1116 4964 1316 78 5964 6364 364 764 1164 1132 2764 916 4364 2532 5964 132 14 12 34
DECIMAL EQUIVALENTS
164 .0156 132 .0312 364 .0469 116 .0625 564 .0781 332 .0938 764 .1094 18.1250 964 .1406 532 .1563 1164 .1719 316 .1875 1364 .2031 732 .2188 1564 .2344 14 .25 1764 .2656 932 .2813 1964 .2969 516 .3125 2164 .3281 1132 .3438 2364 .3594 38 .375 2564 .3906 1332 .4063 2764 .4219 716 .4375 2964 .4531 1532 .4688 3164 .4844 12 .5 3364 .5156 1732 .5313 3564 .5469 916 .5625 3764 .5781 1932 .5938 3964 .6094 58 .625 4164 .6406 2132 .6563 4364 .6719 1116 .6875 4564 .7031 2332 .7188 4764 .7344 34 .75 4964 .7656 2532 .7813 5164 .7969 1316 .8125 5364 .8281 2732 .8438 5564 .8594 78 .875 5764 .8906 2932 .9063 5964 .9219 1516 .9375 6164 .9531 3132 .9688 6364 .9844 1.0 mm.0394