Weight Hole Removal Chart
Size of
Drill Bit

Hole Depth in Inches (approximate)

0.500 0.750 1.000 1.250 1.500 1.750 2.000 2.250 2.500 2.750 3.000
19/32
0.119 0.178 0.238 0.297 0.356 0.416 0.475 0.534 0.594 0.653 0.713
5/8
0.122 0.184 0.245 0.306 0.367 0.428 0.480 0.551 0.612 0.673 0.734
21/32
0.135 0.202 0.269 0.336 0.403 0.470 0.538 0.605 0.672 0.739 0.806
11/16
0.148 0.222 0.296 0.369 0.443 0.517 0.591 0.665 0.739 0.813 0.887
23/32
0.157 0.235 0.313 0.391 0.469 0.548 0.626 0.704 0.782 0.860 0.939
3/4
0.176 0.263 0.351 0.439 0.527 0.615 0.702 0.790 0.878 0.966 1.054
25/32
0.191 0.286 0.382 0.477 0.573 0.668 0.764 0.859 0.955 1.050 1.146
13/16
0.206 0.309 0.412 0.515 0.618 0.720 0.823 0.925 1.029 1.132 1.235
27/32
0.238 0.356 0.475 0.594 0.713 0.831 0.950 1.068 1.188 1.306 1.425
7/8
0.250 0.375 0.500 0.625 0.750 0.875 1.000 1.125 1.250 1.375 1.500
29/32
0.263 0.394 0.526 0.657 0.788 0.919 1.050 1.182 1.313 1.444 1.576
15/16
0.273 0.409 0.546 0.682 0.819 0.955 1.092 1.228 1.365 1.501 1.638
31/32
0.300 0.450 0.600 0.750 0.900 1.050 1.200 1.350 1.500 1.650 1.800
1
0.325 0.488 0.650 0.813 0.975 1.138 1.300 1.463 1.625 1.788 1.950
1 1/32
0.350 0.525 0.700 0.875 1.050 1.225 1.400 1.575 1.750 1.925 2.100
1 1/16
0.368 0.553 0.737 0.921 1.105 1.289 1.474 1.658 1.842 2.026 2.210
1 3/32
0.388 0.581 0.775 0.969 1.163 1.357 1.550 1.744 1.938 2.132 2.326
1 1/8
0.400 0.600 0.800 1.000 1.200 1.400 1.600 1.800 2.000 2.200 2.400
1 5/32
0.425 0.638 0.851 1.063 1.275 1.488 1.700 1.913 2.125 2.338 2.550
1 3/16
0.450 0.675 0.900 1.125 1.350 1.575 1.800 2.025 2.250 2.475 2.700
Approximate Weight Removed in Ounces