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 Hardware - Bolts
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AN3 Bolts
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Hex head aircraft bolts
are made of high-strength type 4037 or 8740 alloy steel (type 8740
is most commonly used). The bolts are centerless ground and threaded
after heat treatment. Minimum tensile strength 125,000 PSI. Cadmium
plated per specification QQ-P-416A, Type II, Class 3. Available with
shank drilled for cotter pin or undrilled for stop nut application,
and with or without drilled head for safety wire. Specify bolts to
have undrilled shank by adding letter "A" after the dash number. For
bolts with drilled head add letter "H" after the AN number. See illustrated
examples. The length of AN aircraft bolts is measured from under the
head to the end of the shank. The "grip" is the unthreaded portion
of the shank. See table for conversion of length and/or grip to proper
AN callout.
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| ALL BOLTS |
AN3 (10-32) |
AN3C (10-32) |
Dash
No |
Nominal
Length |
Grip
Length |
Drilled
Price |
Undrilled
Price |
Drilled
Price |
Undrilled
Price |
-3 |
15/32 |
1/16 |
$0.51 
|
$0.10
|
$0.67
|
$0.37
|
-4 |
17/32 |
1/8 |
$0.47
|
$0.12
|
$0.84
|
$0.32
|
-5 |
21/32 |
1/4 |
$0.39
|
$0.10
|
$1.17
|
$0.45
|
-6 |
25/32 |
3/8 |
$0.47
|
$0.14
|
$1.02
|
$0.47
|
-7 |
29/32 |
1/2 |
$0.52
|
$0.12
|
$0.99
|
$0.53
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-10 |
1-1/32 |
5/8 |
$0.50
|
$0.14
|
$0.89
|
$0.57
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-11 |
1-5/32 |
3/4 |
$0.49
|
$0.18
|
$0.98
|
$0.72
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-12 |
1-9/32 |
7/8 |
$0.46
|
$0.17
|
$1.04
|
$1.04
|
-13 |
1-13/32 |
1 |
$0.41
|
$0.19
|
$0.89
|
$0.76
|
-14 |
1-17/32 |
1-1/8 |
$0.63
|
$0.20
|
$0.94
|
$0.63
|
-15 |
1-21/32 |
1-1/4 |
$0.58
|
$0.28
|
$0.90
|
$0.64
|
-16 |
1-25/32 |
1-3/8 |
$0.51
|
$0.26
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|
$0.82
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-17 |
1-29/32 |
1-1/2 |
$0.50
|
$0.24
|
$1.70
|
$0.89
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-20 |
2-1/32 |
1-5/8 |
$0.57
|
$0.35
|
$4.20
|
$0.77
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-21 |
2-5/32 |
1-3/4 |
$0.62
|
$0.29
|
|
$0.79
|
-22 |
2-9/32 |
1-7/8 |
$0.57
|
$0.37
|
|
$1.04
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-23 |
2-13/32 |
2 |
$0.64
|
$0.35
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|
$0.86
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-24 |
2-17/32 |
2-1/8 |
$0.50
|
$0.44
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|
$1.82
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-25 |
2-21/32 |
2-1-4 |
$0.75
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$0.54
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$1.08
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-26 |
2-25/32 |
2-3/8 |
$0.83
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$0.43
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$2.60
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-27 |
2-29/32 |
2-1/2 |
$0.68
|
$0.55
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|
$6.10
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-30 |
3-1/32 |
2-5/8 |
$0.78
|
$0.47
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|
$4.55
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-31 |
3-5/32 |
2-3/4 |
$0.63
|
$0.52
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|
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-32 |
3-9/32 |
2-7/8 |
$0.87
|
$0.59
|
|
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-33 |
3-13/32 |
3 |
$0.74
|
$0.52
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|
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-34 |
3-17/32 |
3-1/8 |
$0.93
|
$0.70
|
|
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-35 |
3-21/32 |
3-1/4 |
$2.27
|
$1.29
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-36 |
3-25/32 |
3-3/8 |
$2.20
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$0.73
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-37 |
3-29/32 |
3-1/2 |
$1.77
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$0.83
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-40 |
4-1/32 |
3-5/8 |
$1.16
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$0.60
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-41 |
4-5/32 |
3-3/4 |
$1.42
|
$1.32
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-42 |
4-9/32 |
3-7/8 |
$1.19
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$1.10
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-43 |
4-13/32 |
4 |
|
$1.24
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-44 |
4-17/32 |
4-1/8 |
$2.50
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$1.06
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-45 |
4-21/32 |
4-1/4 |
$1.38
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$1.49
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-46 |
4-25/32 |
4-3/8 |
$1.86
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$1.24
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-47 |
4-29/32 |
4-1/2 |
$1.42
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$1.46
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-50 |
5-1/32 |
4-5/8 |
$11.70
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-51 |
5-5/32 |
4-3/4 |
$10.50
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$7.70
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-52 |
5-9/32 |
4-7/8 |
|
$11.70
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-53 |
5-13/32 |
5 |
|
$11.70
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-54 |
5-17/32 |
5-1/8 |
$9.80
|
$9.50
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-55 |
5-21/32 |
5-1/4 |
|
$7.30
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-56 |
5-25/32 |
5-3/8 |
$9.20
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$8.90
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-57 |
5-29/32 |
5-1/2 |
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$11.20
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-60 |
6-1/32 |
5-5/8 |
$10.90
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$11.10
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