US Drill Sizes
| DRILL |
DEC |
|
|
DRILL |
DEC |
|
|
DRILL |
DEC |
|
|
DRILL |
DEC |
| SIZE |
EQUV |
|
|
SIZE |
EQUV |
|
|
SIZE |
EQUV |
|
|
SIZE |
EQUV |
| #80 |
0.0135 |
|
|
#40 |
0.0980 |
|
|
#2 |
0.2210 |
|
|
33/64″ |
0.5156 |
| #79 |
0.0145 |
|
|
#39 |
0.0995 |
|
|
#1 |
0.2280 |
|
|
17/32″ |
0.5313 |
| 1/64″ |
0.0156 |
|
|
#38 |
0.1015 |
|
|
A |
0.2340 |
|
|
35/64″ |
0.5469 |
| #78 |
0.0160 |
|
|
#37 |
0.1040 |
|
|
15/64″ |
0.2344 |
|
|
9/16″ |
0.5625 |
| #77 |
0.0180 |
|
|
#36 |
0.1065 |
|
|
B |
0.2380 |
|
|
37/64″ |
0.5781 |
| #76 |
0.0200 |
|
|
7/64″ |
0.1094 |
|
|
C |
0.2420 |
|
|
19/32″ |
0.5938 |
| #75 |
0.0210 |
|
|
#35 |
0.1100 |
|
|
D |
0.2460 |
|
|
39/64″ |
0.6094 |
| #74 |
0.0225 |
|
|
#34 |
0.1110 |
|
|
1/4″ |
0.2500 |
|
|
5/8″ |
0.6250 |
| #73 |
0.0240 |
|
|
#33 |
0.1130 |
|
|
E |
0.2500 |
|
|
41/64″ |
0.6406 |
| #72 |
0.0250 |
|
|
#32 |
0.1160 |
|
|
F |
0.2570 |
|
|
21/32″ |
0.6562 |
| #71 |
0.0260 |
|
|
#31 |
0.1200 |
|
|
G |
0.2610 |
|
|
43/64″ |
0.6719 |
| #70 |
0.0280 |
|
|
1/8″ |
0.1250 |
|
|
17/64″ |
0.2656 |
|
|
11/16″ |
0.6875 |
| #69 |
0.0292 |
|
|
#30 |
0.1285 |
|
|
H |
0.2660 |
|
|
45/64″ |
0.7031 |
| #68 |
0.0310 |
|
|
#29 |
0.1360 |
|
|
I |
0.2720 |
|
|
23/32″ |
0.7188 |
| 1/32″ |
0.0313 |
|
|
#28 |
0.1405 |
|
|
J |
0.2770 |
|
|
47/64″ |
0.7344 |
| #67 |
0.0320 |
|
|
9/64″ |
0.1406 |
|
|
K |
0.2810 |
|
|
3/4″ |
0.7500 |
| #66 |
0.0330 |
|
|
#27 |
0.1440 |
|
|
9/32″ |
0.2812 |
|
|
49/64″ |
0.7656 |
| #65 |
0.0350 |
|
|
#26 |
0.1470 |
|
|
L |
0.2900 |
|
|
25/32″ |
0.7812 |
| #64 |
0.0360 |
|
|
#25 |
0.1495 |
|
|
M |
0.2950 |
|
|
51/64″ |
0.7969 |
| #63 |
0.0370 |
|
|
#24 |
0.1520 |
|
|
19/64″ |
0.2969 |
|
|
13/16″ |
0.8125 |
| #62 |
0.0380 |
|
|
#23 |
0.1540 |
|
|
N |
0.3020 |
|
|
53/64″ |
0.8281 |
| #61 |
0.0390 |
|
|
5/32″ |
0.1562 |
|
|
5/16″ |
0.3125 |
|
|
27/32″ |
0.8438 |
| #60 |
0.0400 |
|
|
#22 |
0.1570 |
|
|
O |
0.3160 |
|
|
55/64″ |
0.8594 |
| #59 |
0.0410 |
|
|
#21 |
0.1590 |
|
|
P |
0.3230 |
|
|
7/8″ |
0.8750 |
| #58 |
0.0420 |
|
|
#20 |
0.1610 |
|
|
21/64″ |
0.3281 |
|
|
57/64″ |
0.8906 |
| #57 |
0.0430 |
|
|
#19 |
0.1660 |
|
|
Q |
0.3320 |
|
|
29/32″ |
0.9062 |
| #56 |
0.0465 |
|
|
#18 |
0.1695 |
|
|
R |
0.3390 |
|
|
59/64″ |
0.9219 |
| 3/64″ |
0.0469 |
|
|
11/64″ |
0.1719 |
|
|
11/32″ |
0.3438 |
|
|
15/16″ |
0.9375 |
| #55 |
0.0520 |
|
|
#17 |
0.1730 |
|
|
S |
0.3480 |
|
|
61/64″ |
0.9531 |
| #54 |
0.0550 |
|
|
#16 |
0.1770 |
|
|
T |
0.3580 |
|
|
31/32″ |
0.9688 |
| #53 |
0.0595 |
|
|
#15 |
0.1800 |
|
|
23/64″ |
0.3594 |
|
|
63/64″ |
0.9844 |
| 1/16″ |
0.0625 |
|
|
#14 |
0.1820 |
|
|
U |
0.3680 |
|
|
1″ |
1.0000 |
| #52 |
0.0635 |
|
|
#13 |
0.1850 |
|
|
3/8″ |
0.3750 |
|
|
|
|
| #51 |
0.0670 |
|
|
3/16″ |
0.1875 |
|
|
V |
0.3770 |
|
|
|
|
| #50 |
0.0700 |
|
|
#12 |
0.1890 |
|
|
W |
0.3860 |
|
|
|
|
| #49 |
0.0730 |
|
|
#11 |
0.1910 |
|
|
25/64″ |
0.3906 |
|
|
|
|
| #48 |
0.0760 |
|
|
#10 |
0.1935 |
|
|
X |
0.3970 |
|
|
|
|
| 5/64″ |
0.0781 |
|
|
#9 |
0.1960 |
|
|
Y |
0.4040 |
|
|
|
|
| #47 |
0.0785 |
|
|
#8 |
0.1990 |
|
|
13/32″ |
0.4062 |
|
|
|
|
| #46 |
0.0810 |
|
|
#7 |
0.2010 |
|
|
Z |
0.4130 |
|
|
|
|
| #45 |
0.0820 |
|
|
13/64″ |
0.2031 |
|
|
27/64″ |
0.4219 |
|
|
|
|
| #44 |
0.0860 |
|
|
#6 |
0.2040 |
|
|
7/16″ |
0.4375 |
|
|
|
|
| #43 |
0.0890 |
|
|
#5 |
0.2055 |
|
|
29/64″ |
0.4531 |
|
|
|
|
| #42 |
0.0935 |
|
|
#4 |
0.2090 |
|
|
15/32″ |
0.4688 |
|
|
|
|
| 3/32″ |
0.0938 |
|
|
#3 |
0.2130 |
|
|
31/64″ |
0.4844 |
|
|
|
|
| #41 |
0.0960 |
|
|
7/32″ |
0.2188 |
|
|
1/2″ |
0.5000 |
|
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Any day in the shop is a good day!