Bolt Grip Length

GRIP LENGTH TABLE - AIRCRAFT BOLTS MIL-8-6812 AIR FORCE - NAVY AERONAUTICAL STANDARD AN3 - AN9

DASH
NO. AN3 AN4 AN5 AN6 AN7 AN8 AN9

Grip
+1/64
-1/64 Length
+1/32
-1/64 Grip
+1/64
-1/64 Length
+1/32
-1/64 Grip
+1/64
-1/64 Length
+1/32
-1/64 Grip
+1/64
-1/64 Length
+1/32
-1/64 Grip
+1/64
-1/64 Length
+1/32
-1/64 Grip
+1/64
-1/64 Length
+1/32
-1/64 Grip
+1/64
-1/64 Length
+1/32
-1/64

3
4
5
6 1/16
1/8
1/4
3/8 15/32
17/32
21/32
25/32 1/16
1/16
3/16
5/16 15/32
17/32
21/32
25/32
1/16
3/16
5/16
19/32
23/32
27/32

1/16
3/16

45/64
53/64

1/16
3/16

23/32
27/32

1/16

27/32

1/16

31/32

7
10
11
12 1/2
5/8
3/4
7/8 29/32
1-1/32
1-5/32
1-9/32 7/16
9/16
11/16
13/16 31/32
1-3/32
1-5/32
1-9/32 7/16
9/16
11/16
13/16 31/32
1-3/32
1-7/32
1-11/32 5/16
7/16
9/16
11/16 61/64
1-5/64
1-13/64
1-21/64 5/16
7/16
9/16
11/16 31/32
1-3/32
1-7/32
1-11/32 3/16
5/16
7/16
9/16 31/32
1-3/32
1-7/32
1-11/32 1/8
1/4
3/8
1/2 1-1/32
1-5/32
1-9/32
1-13/32

13
14
15
16 1
1-1/8
1-1/4
1-3/8 1-13/32
1-17/32
1-21/32
1-25/32 15/16
1-1/16
1-3/16
1-5/16 1-13/32
1-17/32
1-21/32
1-25/32 15/16
1-1/16
1-3/16
1-5/16 1-15/32
1-19/32
1-23/32
1-27/32 13/16
15/16
1-1/16
1-3/16 1-29/64
1-37/64
1-45/64
1-53/64 13/16
15/16
1-1/16
1-3/16 1-15/32
1-19/32
1-23/32
1-27/32 11/16
13/16
15/16
1-1/16 1-15/32
1-19/32
1-23/32
1-27/32 5/8
3/4
7/8
1 1-17/32
1-21/32
1-25/32
1-29/32

17
20
21
22 1-1/2
1-5/8
1-3/4
1-7/8 1-29/32
2-1/32
2-5/32
2-9/32 1-7/16
1-9/16
1-11/16
1-13/16 1-29/32
2-1/32
2-5/32
2-9/32 1-7/16
1-9/16
1-11/16
1-13/16 1-11/32
2-3/32
2-7/32
2-11/32 1-5/16
1-7/16
1-9/16
1-11/16 1-61/64
2-5/64
2-13/64
2-21/64 1-5/16
1-7/16
1-9/16
1-11/16 1-11/32
2-3/32
2-7/32
2-11/32 1-3/16
1-5/16
1-7/16
1-9/16 1-31/32
2-3/32
2-7/32
2-11/32 1-1/8
1-1/4
1-3/8
1-1/2 2-1/32
2-5/32
2-9/32
2-13/32

23
24
25
26 2
2-1/8
2-1/4
2-3/8 2-13/32
2-17/32
2-21/32
2-25/32 1-15/16
2-1/16
2-3/16
2-5/16 2-13/32
2-17/32
2-21/32
2-25/32 1-15/16
2-1/16
2-3/16
2-5/16 2-15/32
2-19/32
2-23/32
2-27/32 1-13/16
1-15/16
2-1/16
2-3/16 2-29/64
2-37/64
2-45/64
2-51/64 1-13/16
1-15/16
2-1/16
2-3/16 2-15/32
2-19/32
2-23/32
2-27/32 1-11/16
1-13/16
1-15/16
2-1/16 2-15/32
2-19/32
2-23/32
2-27/32 1-5/8
1-3/4
1-7/8
2 2-17/32
2-21/32
2-25/32
2-29/32

27
30
31
32 2-1/2
2-5/8
2-3/4
2-7/8 2-29/32
3-1/32
3-5/32
3-9/32 2-7/16
2-9/16
2-11/16
2-13/16 2-29/32
3-1/32
3-5/32
3-9/32 2-7/16
2-9/16
2-11/16
2-13/16 2-31/32
3-3/32
3-7/32
3-11/32 2-5/16
2-7/16
2-9/16
2-11/16 2-61/64
3-5/64
3-13/64
3-21/64 2-5/16
2-7/16
2-9/16
2-11/16 2-31/32
3-3/32
3-7/32
3-11/32 2-3/16
2-5/16
2-7/16
2-9/16 2-31/32
3-3/32
3-7/32
3-11/32 2-1/8
2-1/4
2-3/8
2-1/2 3-1/32
3-5/32
3-9/32
3-13/32

33
34
35
36 3
3-1/8
3-1/4
3-3/8 3-13/32
3-17/32
3-21/32
3-25/32 2-15/16
3-1/16
3-3/16
3-5/16 3-13/32
3-17/32
3-21/32
3-25/32 2-15/16
3-1/16
3-3/16
3-5/16 3-15/32
3-19/32
3-23/32
3-27/32 2-13/16
2-15/16
3-1/16
3-3/16 3-29/64
3-37/64
3-45/64
3-53/64 2-13/16
2-15/16
3-1/16
3-3/16 3-15/32
3-19/32
3-23/32
3-27/32 2-11/16
2-13/16
2-15/16
3-1/16 3-15/32
3-19/32
3-23/32
3-27/32 2-5/8
2-3/4
2-7/8
3 3-17/32
3-21/32
3-25/32
3-29/32

37
40
41
42 3-1/2
3-5/8
3-3/4
3-7/8 3-29/32
4-1/32
4-5/32
4-9/32 3-7/16
3-9/16
3-11/16
3-13/16 3-29/32
4-1/32
4-5/32
4-9/32 3-7/16
3-9/16
3-11/16
3-13/16 3-31/32
4-3/32
4-7/32
4-11/32 3-5/16
3-7/16
3-9/16
3-11/16 3-61/64
4-5/64
4-11/64
4-21/64 3-5/16
3-7/16
3-9/16
3-11/16 3-31/32
4-3/32
4-7/32
4-11/32 3-3/16
3-5/16
3-7/16
3-9/16 3-31/32
4-3/32
4-7/32
4-11/32 3-1/8
3-1/4
3-3/8
3-1/2 4-1/32
4-5/32
4-9/32
4-13/32

43
44
45
46 4
4-1/8
4-1/4
4-3/8 4-13/32
4-17/32
4-21/32
4-25/32 3-15/16
4-1/16
4-3/16
4-5/16 4-13/32
4-17/32
4-21/32
4-25/32 3-15/16
4-1/16
4-3/16
4-5/16 4-15/32
4-19/32
4-23/32
4-27/32 3-13/16
3-15/16
4-1/16
4-3/16 4-29/64
4-37/64
4-45/64
4-53/64 3-13/16
3-15/16
4-1/16
4-3/16 4-15/32
4-19/32
4-23/32
4-27/32 3-11/16
3-13/16
3-15/16
4-1/16 4-15/32
4-19/32
4-23/32
4-27/32 3-5/8
3-3/4
3-7/8
4 4-17/32
4-21/32
4-25/32
4-29/32

47
50
51
52 4-1/2
4-5/8
4-3/4
4-7/8 4-29/32
5-1/32
5-5/32
5-9/32 4-7/16
4-9/16
4-11/16
4-13/16 4-29/32
5-1/32
5-5/32
5-9/32 4-7/16
4-9/16
4-11/16
4-13/16 4-31/32
5-3/32
5-7/32
5-11/32 4-5/16
4-7/16
4-9/16
4-11/16 4-63/64
5-5/64
5-11/64
5-21/64 4-5/16
4-7/16
4-9/16
4-11/16 4-31/32
5-3/32
5-7/32
5-11/32 4-3/16
4-5/16
4-7/16
4-9/16 4-31/32
5-3/32
5-7/32
5-11/32 4-1/8
4-1/4
4-3/8
4-1/2 5-1/32
5-5/32
5-9/32
5-11/32

53
54
55
56 5
5-1/8
5-1/4
5-3/8 5-13/32
5-17/32
5-21/32
5-25/32 4-15/16
5-1/16
5-3/16
5-5/16 5-11/32
5-17/32
5-21/32
5-25/32 4-15/16
5-1/16
5-3/16
5-5/16 5-15/32
5-19/32
5-23/32
5-27/32 4-13/16
4-15/16
5-1/16
5-3/16 5-29/64
5-37/64
5-45/64
5-53/64 4-13/16
4-15/16
5-1/16
5-3/16 5-15/32
5-19/32
5-23/32
5-27/32 4-11/16
4-13/16
4-15/16
5-1/16 5-15/32
5-19/32
5-23/32
5-27/32 4-5/8
4-3/4
4-7/8
5 5-17/32
5-21/32
5-25/32
5-29/32

57
60
61
62 5-1/2
5-5/8
5-3/4
5-7/8 5-29/32
6-1/32
6-5/32
6-9/32 5-7/16
5-9/16
5-11/16
5-13/16 5-29/32
6-1/32
6-5/32
6-9/32 5-7/16
5-9/16
5-11/16
5-13/16 5-31/32
6-3/32
6-7/32
6-11/32 5-5/16
5-7/16
5-9/16
5-11/16 5-61/64
6-5/64
6-13/64
6-21/64 5-5/16
5-7/16
5-9/16
5-11/16 5-31/32
6-3/32
6-7/32
6-11/32 5-3/16
5-5/16
5-7/16
5-9/16 5-31/32
6-3/32
6-7/32
6-11/32 5-1/8
5-1/4
5-3/8
5-1/2 6-1/32
6-5/32
6-9/32
6-11/32

63
64
65
66 6
6-1/8
6-1/4
6-3/8 6-13/32
6-17/32
6-21/32
6-25/32 5-15/16
6-1/16
6-3/16
6-5/16 6-11/32
6-17/32
6-21/32
6-25/32 5-15/16
6-1/16
6-3/16
6-5/16 6-15/32
6-19/32
6-23/32
6-27/32 5-13/16
5-15/16
6-1/16
6-3/16 6-29/64
6-37/64
6-45/64
6-53/64 5-13/16
5-15/16
6-1/16
6-3/16 6-15/32
6-19/32
6-23/32
6-27/32 5-11/16
5-13/16
5-15/16
6-1/16 6-15/32
6-19/32
6-23/32
6-27/32 5-5/8
5-3/4
5-7/8
6 6-17/32
6-21/32
6-25/32
6-29/32

67
70
71
72 6-1/2
6-5/8
6-3/4
6-7/8 6-29/32
7-1/32
7-5/32
7-9/32 6-7/16
6-9/16
6-11/16
6-13/16 6-29/32
7-1/32
7-5/32
7-9/32 6-7/16
6-9/16
6-11/16
6-13/16 6-31/32
7-3/32
7-7/32
7-11/32 6-5/16
6-7/16
6-9/16
6-11/16 6-61/64
7-5/64
7-13/64
7-21/64 6-5/16
6-7/16
6-9/16
6-11/16 6-31/32
7-3/32
7-7/32
7-11/32 6-3/16
6-5/16
6-7/16
6-9/16 6-31/32
7-3/32
7-7/32
7-11/32 6-1/8
6-1/4
6-3/8
6-1/2 7-1/32
7-5/32
7-9/32
7-13/32

73
74
75
76 7
7-1/8
7-1/4
7-3/8 7-13/32
7-17/32
7-21/32
7-25/32 6-15/16
7-1/16
7-3/16
7-5/16 7-13/32
7-17/32
7-21/32
7-25/32 6-15/16
7-1/16
7-3/16
7-5/16 7-15/32
7-19/32
7-23/32
7-27/32 6-13/16
6-15/16
7-1/16
7-3/16 7-29/64
7-37/64
7-45/64
7-53/64 6-13/16
6-15/16
7-1/16
7-3/16 7-15/32
7-19/32
7-23/32
7-27/32 6-11/16
6-13/16
6-15/16
7-1/16 7-15/32
7-19/32
7-23/32
7-27/32 6-5/8
6-3/4
6-7/8
7 7-17/32
7-21/32
7-25/32
7-29/32

77
80
81
82 7-1/2
7-5/8 7-29/32
8-1/32 7-7/16
7-9/16 7-29/32
8-1/32 7-7/16
7-9/16
7-11/16 7-31/32
8-3/32
8-7/32 7-5/16
7-7/16 7-61/64
8-5/64 7-5/16
7-7/16 7-31/32
8-3/32 7-3/16
7-5/16
7-7/16
7-9/16 7-31/32
8-3/32
8-7/32
8-11/32 7-1/8
7-1/4 8-1/32
8-5/32

83
84
85
86

8-1/16

8-45/64 7-11/16
7-13/16
7-15/16
8-1/16 8-15/32
8-19/32
8-23/32
8-27/32

87

8-3/16 8-31/32