DRILL SIZE CHART - INCHES
DRILL SIZEDECIMALDRILL SIZEDECIMALDRILL SIZEDECIMALDRILL SIZEDECIMAL
80 =.013543 =.0898 =.19925/64 =.3906
79 =.014542 =.09357 =.201X =.397
1/64 =.01563/32 =.093813/64 =.2031Y =.404
78 =.01641 =.0966 =.20413/32 =.4063
77 =.01840 =.0985 =.2055Z =.413
76 =.02039 =.09954 =.20927/64 =.4219
75 =.02138 =.10153 =.2137/16 =.4375
74 =.022537 =.1047/32 =.218829/64 =.4531
73 =.02436 =.10652 =.22115/32 =.4688
72 =.0257/64 =.10941 =.22831/64 =.4844
71 =.02635 =.110A =.2341/2 =.500
70 =.02834 =.11115/64 =.234433/64 =.5156
69 =.029233 =.113B =.23817/32 =.5313
68 =.03132 =.116C =.24235/64 =.5469
1/32 =.031331 =.120D =.2469/16 =.5625
67 =.0321/8 =.1251/4 (E) =.25037/64 =.5781
66 =.03330 =.1285F =.25719/32 =.5938
65 =.03529 =.136G =.26139/64 =.6094
64 =.03628 =.140516/64 =.26565/8 =.625
63 =.0379/64 =.1406H =.26641/64 =.6406
62 =.03827 =.144I =.27221/32 =.6563
61 =.03926 =.147J =.27743/64 =.6719
60 =.04025 =.1495K =.28111/16 =.6875
59 =.04124 =.1529/32 =.281345/64 =.7031
58 =.04223 =.154L =.29023/32 =.7188
57 =.0435/32 =.1563M =.29547/64 =.7344
56 =.046522 =.15719/64 =.29693/4 =.750
3/64 =.046921 =.159N =.30249/64 =.7656
55 =.05220 =.1615/16 =.312525/32 =.7813
54 =.05519 =.166O =.31651/64 =.7969
53 =.059518 =.1695P =.32313/16 =.8125
1/16 =.062511/64 =.171921/64 =.328153/64 =.8281
52 =.063517 =.173Q =.33227/32 =.8438
51 =.06716 =.177R =.33955/64 =.8594
50 =.07015 =.18011/32 =.34387/8 =.875
49 =.07314 =.182S =.34857/64 =.8906
48 =.07613 =.185T =.35829/32 =.9063
5/64 =.07813/16 =.187523/64 =.359459/64 =.9219
47 =.078512 =.189U =.36815/16 =.9375
46 =.08111 =.1913/8 =.37561/64 =.9531
45 =.08210 =.1935V =.37731/32 =.9688
44 =.0869 =.196W =.38663/64 =.9844