| Drill & Tap Sizes | Page 1 of 4 | >next page> | ||||||||||
| Drill | Deci-mal | Metric | STD Tap | Metric Tap | NPT Tap | Drill | Deci-mal | Metric | STD Tap | Metric Tap | NPT Tap | |
| .1mm | 0.0039 | 0.099 | 1.6mm | 0.0629 | 1.598 | M2.0 X 40 | ||||||
| .2mm | 0.0078 | 0.198 | 52 | 0.0635 | 1.613 | |||||||
| .3mm | 0.0118 | 0.300 | 1.7mm | 0.0669 | 1.699 | |||||||
| 80 | 0.0135 | 0.343 | 51 | 0.0670 | 1.702 | |||||||
| 79 | 0.0145 | 0.368 | 50 | 0.0700 | 1.778 | 2-64 | ||||||
| 1/64 | 0.0156 | 0.396 | 50 | 0.0700 | 1.778 | 2-56 | ||||||
| .4mm | 0.0157 | 0.399 | 1.8mm | 0.0708 | 1.798 | |||||||
| 78 | 0.0160 | 0.406 | 49 | 0.0730 | 1.854 | |||||||
| 77 | 0.0180 | 0.457 | 1.9mm | 0.0748 | 1.900 | |||||||
| .5mm | 0.0196 | 0.498 | 48 | 0.0760 | 1.930 | |||||||
| 76 | 0.0200 | 0.508 | 5/64 | 0.0781 | 1.984 | |||||||
| 75 | 0.0210 | 0.533 | 47 | 0.0785 | 1.994 | 3-48 | ||||||
| 74 | 0.0225 | 0.572 | 2.0mm | 0.0787 | 1.999 | |||||||
| .6mm | 0.0236 | 0.599 | 2.05mm | 0.0807 | 2.050 | M2.5 X .45 | ||||||
| 73 | 0.0240 | 0.610 | 46 | 0.0810 | 2.057 | 3-56 | ||||||
| 72 | 0.0250 | 0.635 | 45 | 0.0820 | 2.083 | |||||||
| 71 | 0.0260 | 0.660 | 2.1mm | 0.0826 | 2.098 | |||||||
| .7mm | 0.0275 | 0.699 | 44 | 0.0860 | 2.184 | |||||||
| 70 | 0.0280 | 0.711 | 2.2mm | 0.0866 | 2.200 | |||||||
| 69 | 0.0292 | 0.742 | 43 | 0.0890 | 2.261 | 4-40 | ||||||
| 68 | 0.0310 | 0.787 | 0.0900 | 2.286 | ||||||||
| 1/32 | 0.0312 | 0.793 | 2.3mm | 0.0905 | 2.299 | |||||||
| .8mm | 0.0314 | 0.798 | 42 | 0.0935 | 2.375 | 4-48 | ||||||
| 67 | 0.0320 | 0.813 | 3/32 | 0.0937 | 2.380 | |||||||
| 66 | 0.0330 | 0.838 | 2.4mm | 0.0944 | 2.398 | |||||||
| 65 | 0.0350 | 0.889 | 41 | 0.0960 | 2.438 | |||||||
| .9mm | 0.0354 | 0.899 | 40 | 0.0980 | 2.489 | |||||||
| 64 | 0.0360 | 0.914 | 2.5mm | 0.0984 | 2.499 | M3.0 X .50 | ||||||
| 63 | 0.0370 | 0.940 | 39 | 0.0995 | 2.527 | 5-40 | ||||||
| 62 | 0.0380 | 0.965 | 38 | 0.1015 | 2.578 | 5-44 | ||||||
| 61 | 0.0390 | 0.991 | 2.6mm | 0.1023 | 2.598 | |||||||
| 1.0mm | 0.0393 | 0.998 | 37 | 0.1040 | 2.642 | |||||||
| 60 | 0.0400 | 1.016 | 2.7mm | 0.1062 | 2.698 | |||||||
| 59 | 0.0410 | 1.041 | 36 | 0.1065 | 2.705 | 6-32 | ||||||
| 58 | 0.0420 | 1.067 | 7/64 | 0.1093 | 2.776 | |||||||
| 57 | 0.0430 | 1.092 | 35 | 0.1100 | 2.794 | |||||||
| 1.1mm | 0.0433 | 1.100 | 2.8mm | 0.1102 | 2.799 | |||||||
| 56 | 0.0465 | 1.181 | 34 | 0.1110 | 2.819 | |||||||
| 3/64 | 0.0468 | 1.189 | 0-80 | 33 | 0.1130 | 2.870 | 6-40 | |||||
| 1.2mm | 0.0472 | 1.199 | 2.9mm | 0.1141 | 2.898 | M3.5 X .60 | ||||||
| 1.25mm | 0.0492 | 1.250 | M1.6 X .35 | 32 | 0.1160 | 2.946 | ||||||
| 1.3mm | 0.0511 | 1.298 | 3.0mm | 0.1181 | 3.000 | |||||||
| 55 | 0.0520 | 1.321 | 31 | 0.1200 | 3.048 | |||||||
| 54 | 0.0550 | 1.397 | 3.1mm | 0.1220 | 3.099 | |||||||
| 1.4mm | 0.0551 | 1.400 | 1/8 | 0.1250 | 3.175 | |||||||
| 1.5mm | 0.0590 | 1.499 | 3.2mm | 0.1259 | 3.198 | |||||||
| 53 | 0.0595 | 1.511 | 1-72 | 30 | 0.1285 | 3.264 | ||||||
| 53 | 0.0595 | 1.511 | 1-64 | 3.3mm | 0.1299 | 3.300 | M4.0 X .70 | |||||
| 1/16 | 0.0625 | 1.588 | 3.4mm | 0.1338 | 3.399 | |||||||