DRILL SELECTION CHART
> size 0.10 to 1.99
size 2.00 to 3.99
size 4.00 to 5.95
size 6.00 to 9.92
size 10.00 to 19.84
size 20.00 to 25.40
Drill Size
mm Equiv*
Decimal Inches Equiv*
Metric
Fractional
Gauge
0.10
.0039
0.20
.0079
0.25
.0098
0.30
.0118
80
0.34
.0135
0.35
.0138
79
0.37
.0145
0.38
.0150
1/64
0.40
.0156
.0157
78
0.41
.0160
0.42
.0165
0.45
.0177
77
0.46
.0180
0.48
.0189
0.50
.0197
76
0.51
.0200
0.52
.0205
75
0.53
.0210
0.55
.0217
74
0.57
.0225
0.58
.0228
0.60
.0236
73
0.61
.0240
72
0.64
.0250
0.65
.0256
71
0.66
.0260
0.70
.0276
70
0.71
.0280
69
0.74
.0292
0.75
.0295
68
0.79
.0310
1/32
.0312
0.80
.0315
67
0.81
.0320
66
0.84
.0330
0.85
.0335
65
0.89
.0350
0.90
.0354
64
0.91
.0360
63
0.94
.0370
0.95
.0374
62
0.97
.0380
61
0.99
.0390
1.00
.0394
60
1.02
.0400
59
1.04
.0410
1.05
.0414
58
1.07
.0420
57
1.09
.0430
1.10
.0433
1.15
.0453
56
1.18
.0465
3/64
1.19
.0469
1.20
.0472
1.25
.0492
1.30
.0512
55
1.32
.0520
1.35
.0532
1.40
54
.0550
1.45
.0571
1.50
.0591
53
1.51
.0595
1.55
.0610
1/16
1.59
.0625
1.60
.0630
52
1.61
.0635
1.65
.0650
1.70
.0669
51
.0670
1.75
.0689
50
1.78
.0700
1.80
.0709
1.85
.0729
49
.0730
1.90
.0748
48
1.93
.0760
1.95
.0768
5/64
1.98
.0781
47
1.99
.0785
size 0.10 to 1.99
Please note : Tradezone Ltd accepts no liability for any loss or damage either direct or consequential aising out of or in relation to the use or application of the information or products referred to herein.