Drill And Tap Sizes Flashcards
1
Q
1/4-20
A
.2010 or 7
2
Q
1/4-28
A
.2130 or 3
3
Q
0-80
A
.0469 or 3/64
4
Q
1-64, 72
A
.0595 or 53
5
Q
2-56, 64
A
.0700 or 50
6
Q
3-48
A
.0785 or 47
7
Q
3-56
A
.0820 or 45
8
Q
4-40
A
.0890 or 43
9
Q
4-48
A
.0935 or 44
10
Q
5-40
A
.1015 or 38
11
Q
5-44
A
.1040 or 37
12
Q
6-32
A
.1065 or 36
13
Q
6-40
A
.1130 or 33
14
Q
8-32, 36
A
.1360 or 29
15
Q
10-24
A
.1495 or 25
16
Q
10-32
A
.1590 or 21
17
Q
12-24
A
.1770 or 16
18
Q
12-28
A
.1820 or 14
19
Q
1/4-20
A
.2010 or 7
20
Q
1/4-28
A
.2130 or 3
21
Q
5/16-18
A
.2570 or F
22
Q
5/16-24
A
.2720 or I
23
Q
3/8-16
A
.3125 or 5/16
24
Q
3/8-24
A
.3320 or Q
25
7/16-14
.3680 or U
26
7/16-20
.3906 or 25/64
27
1/2-13
.4219 or 27/64
28
1/2-20
.4531 or 29/64
29
9/16-12
.4844 or 31/64
30
9/16-18
.5156 or 33/64
31
5/8-11
.5312 or 17/32
32
5/8-18
.5781 or 37/64
33
3/4-10
.6562 or 21/32
34
3/4-16
.6875 or 11/16
35
7/8-9
.7656 or 49/64
36
7/8-14
.8125 or 13/16
37
1-8
.8750 or 7/8
38
1-12
.9219 or 59/64
39
1-14
.9375 or 15/16
40
1 1/8-7
.9844 or 63/64
41
1 1/8-12
1.0469 or 1 3/64
42
1 1/4-7
1.1094 or 1 7/64
43
1 1/4-12
1.1719 or 1 11/64
44
1 3/8-6
1.2188 or 1 7/32
45
1 3/8-12
1.2969 or 1 19/64
46
1 1/2-6
1.3438 or 1 11/32
47
1 1/2-12
1.4219 or 1 27/64
