2007 Polaris Two Stroke Snowmobile Workshop Repair manual, Page 47Get this manual
GENERAL SAE Tap Drill Sizes
Thread Size Drill Size #0-80 364 #1-64 53 #1-72 53 #2-56 51 #2-64 50 #3-48 564 #3-56 45 #4-40 43 #4-48 42 #5-40 38 #5-44 37 #6-32 36 #6-40 33 #8-32 29 #8-36 29 #10-24 24 #10-32 21 #12-24 17 #12-28 4.6mm 14-20 14-28 516-18 516-24 38-16 38-24 716-14 716-20 2564 Thread SizeDrill Size 12-13 2764 12-20 2964 916-12 3164 916-18 3364 58-11 1732 58-18 3764 34-10 2132 34-16 1116 78-9 4964 78-14 1316 1-8 78 1-12 5964 18-7 6364 18-12 364 14-7 764 14-12 1164 12-6 1132 12-12 2764 34-5 916 34-12 4364 2-4 12 2532 2-12 5964 14-4 12 132 12-4 14 34-4 12 3-4 34
Decimal Equivalents
164 364 564 764 964 1164 1364 1564 1764 1964 2164 2364 2564 2764 2964 3164 3364 3564 3764
Decimal Equivalent 0.0995 0.0937 0.1285 0.125 0.166 0.161 0.196 0.234 0.277 0.265 0.3125 0.3125 0.3437 0.339 0.375 0.406 0.406 Nearest Fraction 332 332 18 18 1164 532 1364 1564 932 1764 516 516 1132 1132 38 1332 1332
Metric Tap Drill Sizes