Drill
Number |
Fractional
Inches |
Decimal
Inches |
mm |
|
|
0.0050 |
0.13 |
97 |
|
0.0060 |
0.15 |
94 |
|
0.0070 |
0.18 |
89 |
|
0.0090 |
0.23 |
87 |
|
0.0100 |
0.25 |
83 |
|
0.0120 |
0.30 |
81 |
|
0.0130 |
0.33 |
|
|
0.0150 |
0.38 |
|
1/64 |
0.0156 |
0.40 |
78 |
|
0.0160 |
0.41 |
|
|
0.0170 |
0.43 |
77 |
|
0.0180 |
0.46 |
76 |
|
0.0200 |
0.51 |
72 |
|
0.0250 |
0.64 |
71 |
|
0.0260 |
0.66 |
68 |
|
0.0310 |
0.79 |
|
1/32 |
0.0313 |
0.80 |
65 |
|
0.0350 |
0.89 |
| |
Drill
Number |
Fractional
Inches |
Decimal
Inches |
mm |
65 |
|
0.0350 |
0.89 |
62 |
|
0.0380 |
0.97 |
|
|
0.0394 |
1.00 |
60 |
|
0.0400 |
1.02 |
|
3/64 |
0.0469 |
1.19 |
|
|
0.0480 |
1.22 |
|
|
0.0500 |
1.27 |
|
|
0.0530 |
1.35 |
|
1/16 |
0.0625 |
1.59 |
52 |
|
0.0630 |
1.60 |
|
|
0.0787 |
2.00 |
|
3/32 |
0.0938 |
2.38 |
|
|
0.1181 |
3.00 |
|
1/8 |
0.1250 |
3.18 |
|
5/32 |
0.1562 |
3.97 |
22 |
|
0.1570 |
3.99 |
|
3/16 |
0.1875 |
4.76 |
|
1/4 |
0.2500 |
6.35 |
|
