Screw Size and Conversion Tables
Screw Size |
Size Number |
000 |
00 |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
Diameter |
.034 |
.047 |
.060 |
.073 |
.086 |
.099 |
.112 |
.125 |
.138 |
.164 |
.190 |
.216 |
Hole Diameter |
.040 |
.053 |
.066 |
.080 |
.094 |
.107 |
.120 |
.133 |
.146 |
.173 |
.198 |
.224 |
Decimal and
Millimeter Equivalents of Fractional Parts of an Inch |
Fraction |
Decimal |
Millimeter |
|
Fraction |
Decimal |
Millimeter |
|
Fraction |
Decimal |
Millimeter |
1 |
1.0000 |
25.4000 |
|
21/32 |
0.6562 |
16.6687 |
|
5/16 |
0.3125 |
7.9375 |
63/64 |
0.984 |
25.0031 |
|
41/64 |
0.6406 |
16.2719 |
|
19/64 |
0.2969 |
7.5406 |
31/32 |
0.9688 |
24.6062 |
|
5/8 |
0.6250 |
15.8750 |
|
9/32 |
0.2812 |
7.1437 |
61/64 |
0.9531 |
24.2094 |
|
39/64 |
0.6094 |
15.4781 |
|
17/64 |
0.2656 |
6.7469 |
15/16 |
0.9375 |
23.8125 |
|
19/32 |
0.5938 |
15.0813 |
|
1/4 |
0.2500 |
6.3500 |
59/64 |
0.9219 |
23.4156 |
|
37/64 |
0.5781 |
14.6844 |
|
15/64 |
0.2344 |
5.9531 |
29/32 |
0.9062 |
23.0187 |
|
9/16 |
0.5625 |
14.2875 |
|
7/32 |
0.2188 |
5.5563 |
57/64 |
0.8906 |
22.6219 |
|
35/64 |
0.5469 |
13.8906 |
|
13/64 |
0.2031 |
5.1594 |
7/8 |
0.8750 |
22.2250 |
|
17/32 |
0.5312 |
13.4937 |
|
3/16 |
0.1875 |
4.7625 |
55/64 |
0.8594 |
21.8281 |
|
33/64 |
0.5156 |
13.0969 |
|
11/64 |
0.1719 |
4.3656 |
27/32 |
0.8438 |
21.4312 |
|
1/2 |
0.5000 |
12.7000 |
|
5/32 |
0.1562 |
3.9688 |
53/64 |
0.8281 |
21.0344 |
|
31/64 |
0.4844 |
12.3031 |
|
9/64 |
0.1406 |
3.5719 |
13/16 |
0.8125 |
20.6375 |
|
15/32 |
0.4688 |
11.9062 |
|
1/8 |
0.1250 |
3.1750 |
51/64 |
0.7969 |
20.2406 |
|
29/64 |
0.4531 |
11.5094 |
|
7/64 |
0.1094 |
2.7781 |
25/32 |
0.7812 |
19.8438 |
|
7/16 |
0.4375 |
11.1125 |
|
3/32 |
0.0938 |
2.3812 |
49/64 |
0.7656 |
19.4469 |
|
27/64 |
0.4220 |
10.7188 |
|
5/64 |
0.0781 |
1.9844 |
3/4 |
0.7500 |
19.0500 |
|
13/32 |
0.4062 |
10.3187 |
|
1/16 |
0.0625 |
1.5875 |
47/64 |
0.7344 |
18.6531 |
|
25/64 |
0.3906 |
9.9219 |
|
3/64 |
0.0469 |
1.1906 |
23/32 |
0.7188 |
18.2563 |
|
3/8 |
0.3750 |
9.5250 |
|
1/32 |
0.0312 |
0.7937 |
45/64 |
0.7031 |
17.8594 |
|
23/64 |
0.3594 |
9.1281 |
|
1/64 |
0.0156 |
0.3969 |
11/16 |
0.6875 |
17.4625 |
|
11/32 |
0.3438 |
8.7312 |
|
-- |
-- |
-- |
43/64 |
0.6719 |
17.0656 |
|
21/64 |
0.3281 |
8.3344 |
|
-- |
-- |
-- |