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AN8 Airframe Bolt, 1/2-20 Thread

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AN8 bolts have a 1/2-20 thread with a 1/2" shank diameter. All AN8 bolts have a 0.680 inch thread length regardless of bolt length. This thread length is designed specifically to allow the use of a full-height nut plus one AN960-816 flat washer.

Grip Length refers to the length of the unthreaded portion of the shank. Grip lengths are available in 1/8" increments to match the thickness of the materials being bolted together (the threaded portion should never be positioned inside the hole). If your assembly is between sizes, select the next longer bolt and use additional AN960-816 and AN960-816L washers to take up the slack.

A or no A? AN bolts were originally designed to be used with a castle nut and cotter pin, so the base part number indicates a drilled shank. The addition of an "A" at the end (for example, AN8-13A) indicates an undrilled shank for use with a self-locking nut.

UHL: Under Head Length (also known as Full Shank Length or Overall Length not including bolt head)

AN bolt nomenclature can be confusing. Please take a look at our page on Identifying AN Bolt Sizes.

Enter desired order quantities below, then click the "Add selected quantities to cart" button.

Order Qty
Part No.
Desc.
Price
Status

AN8-6
Condition: New

1/2-20 x 0.063 Grip Airframe Bolt, 0.84 UHL, Drilled Shank

1 to 7: $3.39

8 to 59: $3.04

60 & up: $2.68

In Stock

AN8-6A
Condition: New

1/2-20 x 0.063 Grip Airframe Bolt, 0.84 UHL, undrilled

1 to 9: $1.99

10 & up: $1.77

In Stock

AN8-7
Condition: New

1/2-20 x 0.188 Grip Airframe Bolt, 0.97 UHL, Drilled Shank

1 to 7: $3.39

8 to 59: $3.04

60 & up: $2.68

In Stock

AN8-7A
Condition: New

1/2-20 x 0.188 Grip Airframe Bolt, 0.97 UHL, undrilled

1 to 9: $2.29

10 & up: $2.11

In Stock

AN8-10
Condition: New

1/2-20 x 0.313 Grip Airframe Bolt, 1.09 UHL, Drilled Shank

1 to 7: $3.49

8 to 59: $3.13

60 & up: $2.76

In Stock

AN8-10A
Condition: New

1/2-20 x 0.313 Grip Airframe Bolt, 1.09 UHL, undrilled

1 to 9: $2.29

10 & up: $2.12

In Stock

AN8-11
Condition: New

1/2-20 x 0.438 Grip Airframe Bolt, 1.22 UHL, Drilled Shank

1 to 9: $2.59

10 & up: $2.40

In Stock

AN8-11A
Condition: New

1/2-20 x 0.438 Grip Airframe Bolt, 1.22 UHL, undrilled

1 to 9: $2.29

10 & up: $2.10

In Stock

AN8-12
Condition: New

1/2-20 x 0.563 Grip Airframe Bolt, 1.34 UHL, Drilled Shank

1 to 7: $3.19

8 to 59: $2.85

60 & up: $2.51

In Stock

AN8-12A
Condition: New

1/2-20 x 0.563 Grip Airframe Bolt, 1.34 UHL, undrilled

1 to 9: $2.39

10 & up: $2.20

In Stock

AN8-13
Condition: New

1/2-20 x 0.688 Grip Airframe Bolt, 1.47 UHL, Drilled Shank

1 to 9: $2.79

10 & up: $2.49

In Stock

AN8-13A
Condition: New

1/2-20 x 0.688 Grip Airframe Bolt, 1.47 UHL, undrilled

1 to 7: $4.99

8 & up: $4.48

In Stock

AN8-14
Condition: New

1/2-20 x 0.813 Grip Airframe Bolt, 1.59 UHL, Drilled Shank

1 to 9: $2.99

10 & up: $2.71

In Stock

AN8-14A
Condition: New

1/2-20 x 0.813 Grip Airframe Bolt, 1.59 UHL, undrilled

1 to 7: $3.19

8 & up: $2.93

In Stock

AN8-15
Condition: New

1/2-20 x 0.938 Grip Airframe Bolt, 1.72 UHL, Drilled Shank

1 to 9: $2.99

10 & up: $2.67

In Stock

AN8-15A
Condition: New

1/2-20 x 0.938 Grip Airframe Bolt, 1.72 UHL, undrilled

1 to 7: $3.29

8 to 59: $2.95

60 & up: $2.60

In Stock

AN8-16
Condition: New

1/2-20 x 1.063 Grip Airframe Bolt, 1.84 UHL, Drilled Shank

1 to 7: $3.69

8 to 59: $3.31

60 & up: $2.92

In Stock

AN8-16A
Condition: New

1/2-20 x 1.063 Grip Airframe Bolt, 1.84 UHL, undrilled

1 to 7: $3.99

8 to 59: $3.58

60 & up: $3.16

In Stock

AN8-17
Condition: New

1/2-20 x 1.188 Grip Airframe Bolt, 1.97 UHL, Drilled Shank

1 to 7: $3.99

8 to 59: $3.58

60 & up: $3.16

In Stock

AN8-17A
Condition: New

1/2-20 x 1.188 Grip Airframe Bolt, 1.97 UHL, undrilled

1 to 7: $4.49

8 & up: $4.16

In Stock

AN8-20
Condition: New

1/2-20 x 1.313 Grip Airframe Bolt, 2.09 UHL, Drilled Shank

1 to 9: $2.99

10 & up: $2.67

In Stock

AN8-20A
Condition: New

1/2-20 x 1.313 Grip Airframe Bolt, 2.09 UHL, undrilled

1 to 7: $4.99

8 & up: $4.48

In Stock

AN8-21
Condition: New

1/2-20 x 1.438 Grip Airframe Bolt, 2.22 UHL, Drilled Shank

1 to 7: $3.89

8 to 59: $3.49

60 & up: $3.08

In Stock

AN8-21A
Condition: New

1/2-20 x 1.438 Grip Airframe Bolt, 2.22 UHL, undrilled

1 to 7: $5.99

8 & up: $5.39

In Stock

AN8-22
Condition: New

1/2-20 x 1.563 Grip Airframe Bolt, 2.34 UHL, Drilled Shank

1 to 7: $3.49

8 to 59: $3.13

60 & up: $2.76

In Stock

AN8-22A
Condition: New

1/2-20 x 1.563 Grip Airframe Bolt, 2.34 UHL, undrilled

1 to 7: $6.99

8 to 59: $6.30

60 & up: $5.61

In Stock

AN8-23
Condition: New

1/2-20 x 1.688 Grip Airframe Bolt, 2.47 UHL, Drilled Shank

1 to 7: $3.39

8 & up: $3.04

In Stock

AN8-23A
Condition: New

1/2-20 x 1.688 Grip Airframe Bolt, 2.47 UHL, undrilled

1 to 7: $3.49

8 & up: $3.13

In Stock

AN8-24
Condition: New

1/2-20 x 1.813 Grip Airframe Bolt, 2.59 UHL, Drilled Shank

1 to 7: $3.89

8 to 59: $3.49

60 & up: $3.08

In Stock

AN8-24A
Condition: New

1/2-20 x 1.813 Grip Airframe Bolt, 2.59 UHL, undrilled

1 to 7: $5.99

8 to 59: $5.39

60 & up: $4.79

In Stock

AN8-25
Condition: New

1/2-20 x 1.938 Grip Airframe Bolt, 2.72 UHL, Drilled Shank

1 to 7: $3.89

8 & up: $3.49

In Stock

AN8-25A
Condition: New

1/2-20 x 1.938 Grip Airframe Bolt, 2.72 UHL, undrilled

1 to 7: $3.79

8 & up: $3.40

In Stock

AN8-26
Condition: New

1/2-20 x 2.063 Grip Airframe Bolt, 2.84 UHL, Drilled Shank

1 to 7: $5.99

8 to 59: $5.39

60 & up: $4.79

In Stock

AN8-26A
Condition: New

1/2-20 x 2.063 Grip Airframe Bolt, 2.84 UHL, undrilled

1 to 7: $3.89

8 to 59: $3.49

60 & up: $3.08

In Stock

AN8-27
Condition: New

1/2-20 x 2.188 Grip Airframe Bolt, 2.97 UHL, Drilled Shank

1 to 7: $4.29

8 to 59: $3.85

60 & up: $3.40

In Stock

AN8-27A
Condition: New

1/2-20 x 2.188 Grip Airframe Bolt, 2.97 UHL, undrilled

1 to 7: $3.99

8 to 59: $3.58

60 & up: $3.16

In Stock

AN8-30
Condition: New

1/2-20 x 2.313 Grip Airframe Bolt, 3.09 UHL, Drilled Shank

1 to 7: $4.49

8 to 59: $4.03

60 & up: $3.57

In Stock

AN8-30A
Condition: New

1/2-20 x 2.313 Grip Airframe Bolt, 3.09 UHL, undrilled

1 to 7: $3.99

8 to 59: $3.58

60 & up: $3.16

In Stock

AN8-31
Condition: New

1/2-20 x 2.438 Grip Airframe Bolt, 3.22 UHL, Drilled Shank

1 to 7: $4.19

8 to 59: $3.76

60 & up: $3.32

In Stock

AN8-31A
Condition: New

1/2-20 x 2.438 Grip Airframe Bolt, 3.22 UHL, undrilled

1 to 7: $4.39

8 & up: $3.94

In Stock

AN8-32
Condition: New

1/2-20 x 2.563 Grip Airframe Bolt, 3.34 UHL, Drilled Shank

1 to 7: $4.99

8 & up: $4.48

In Stock

AN8-32A
Condition: New

1/2-20 x 2.563 Grip Airframe Bolt, 3.34 UHL, undrilled

1 to 7: $4.49

8 & up: $4.03

In Stock

AN8-33
Condition: New

1/2-20 x 2.688 Grip Airframe Bolt, 3.47 UHL, Drilled Shank

1 to 7: $5.19

8 & up: $4.67

In Stock

AN8-33A
Condition: New

1/2-20 x 2.688 Grip Airframe Bolt, 3.47 UHL, undrilled

1 to 7: $4.49

8 to 59: $4.03

60 & up: $3.57

In Stock

AN8-34
Condition: New

1/2-20 x 2.813 Grip Airframe Bolt, 3.59 UHL, Drilled Shank

1 to 7: $5.29

8 to 59: $4.76

60 & up: $4.22

In Stock

AN8-34A
Condition: New

1/2-20 x 2.813 Grip Airframe Bolt, 3.59 UHL, undrilled

1 to 7: $4.99

8 to 59: $4.48

60 & up: $3.97

In Stock

AN8-35
Condition: New

1/2-20 x 2.938 Grip Airframe Bolt, 3.72 UHL, Drilled Shank

1 to 7: $5.29

8 to 59: $4.76

60 & up: $4.22

In Stock

AN8-35A
Condition: New

1/2-20 x 2.938 Grip Airframe Bolt, 3.72 UHL, undrilled

1 to 7: $4.99

8 to 59: $4.48

60 & up: $3.97

In Stock

AN8-36
Condition: New

1/2-20 x 3.063 Grip Airframe Bolt, 3.84 UHL, Drilled Shank

1 to 7: $5.99

8 & up: $5.39

In Stock

AN8-36A
Condition: New

1/2-20 x 3.063 Grip Airframe Bolt, 3.84 UHL, undrilled

1 to 7: $5.49

8 to 59: $4.94

60 & up: $4.38

In Stock

AN8-37
Condition: New

1/2-20 x 3.188 Grip Airframe Bolt, 3.97 UHL, Drilled Shank

1 to 7: $4.39

8 to 59: $3.94

60 & up: $3.49

In Stock

AN8-37A
Condition: New

1/2-20 x 3.188 Grip Airframe Bolt, 3.97 UHL, undrilled

1 to 7: $5.49

8 to 59: $4.94

60 & up: $4.38

In Stock

AN8-40
Condition: New

1/2-20 x 3.313 Grip Airframe Bolt, 4.09 UHL, Drilled Shank

1 to 7: $8.99

8 to 59: $8.12

60 & up: $7.25

In Stock

AN8-40A
Condition: New

1/2-20 x 3.313 Grip Airframe Bolt, 4.09 UHL, undrilled

1 to 7: $5.49

8 to 59: $4.94

60 & up: $4.38

In Stock

AN8-41
Condition: New

1/2-20 x 3.438 Grip Airframe Bolt, 4.22 UHL, Drilled Shank

1 to 7: $8.99

8 & up: $8.12

In Stock

AN8-41A
Condition: New

1/2-20 x 3.438 Grip Airframe Bolt, 4.22 UHL, undrilled

1 to 7: $6.59

8 to 59: $5.94

60 & up: $5.28

In Stock

AN8-42
Condition: New

1/2-20 x 3.563 Grip Airframe Bolt, 4.34 UHL, Drilled Shank

1 to 7: $4.59

8 to 59: $4.12

60 & up: $3.65

In Stock

AN8-42A
Condition: New

1/2-20 x 3.563 Grip Airframe Bolt, 4.34 UHL, undrilled

1 to 7: $8.29

8 & up: $7.91

In Stock

AN8-43
Condition: New

1/2-20 x 3.688 Grip Airframe Bolt, 4.47 UHL, Drilled Shank

1 to 7: $5.79

8 to 59: $5.21

60 & up: $4.63

In Stock

AN8-43A
Condition: New

1/2-20 x 3.688 Grip Airframe Bolt, 4.47 UHL, undrilled

1 to 7: $7.49

8 & up: $6.76

In Stock

AN8-44
Condition: New

1/2-20 x 3.813 Grip Airframe Bolt, 4.59 UHL, Drilled Shank

1 to 7: $4.59

8 to 59: $4.12

60 & up: $3.65

In Stock

AN8-44A
Condition: New

1/2-20 x 3.813 Grip Airframe Bolt, 4.59 UHL, undrilled

1 to 7: $4.19

8 to 59: $3.76

60 & up: $3.32

In Stock

AN8-45
Condition: New

1/2-20 x 3.938 Grip Airframe Bolt, 4.72 UHL, Drilled Shank

1 to 7: $4.69

8 to 59: $4.21

60 & up: $3.73

In Stock

AN8-45A
Condition: New

1/2-20 x 3.938 Grip Airframe Bolt, 4.72 UHL, undrilled

1 to 7: $4.29

8 to 59: $3.85

60 & up: $3.40

In Stock

AN8-46A
Condition: New

1/2-20 x 4.063 Grip Airframe Bolt, 4.84 UHL, undrilled

1 to 5: $11.99

6 to 35: $10.86

36 & up: $9.73

In Stock

AN8-47A
Condition: New

1/2-20 x 4.188 Grip Airframe Bolt, 4.97 UHL, undrilled

1 to 5: $15.29

6 to 35: $13.88

36 & up: $12.47

In Stock

AN8-50A
Condition: New

1/2-20 x 4.313 Grip Airframe Bolt, 5.09 UHL, undrilled

1 to 5: $19.79

6 & up: $18.37

In Stock

AN8-52A
Condition: New

1/2-20 x 4.563 Grip Airframe Bolt, 5.34 UHL, undrilled

1 to 5: $17.99

6 & up: $16.36

In Stock

AN8-53A
Condition: New

1/2-20 x 4.688 Grip Airframe Bolt, 5.47 UHL, undrilled

1 to 5: $17.99

6 & up: $16.36

In Stock

AN8-57A
Condition: New

1/2-20 x 5.188 Grip Airframe Bolt, 5.97 UHL, undrilled

1 to 5: $15.79

6 & up: $14.34

In Stock

AN8-60
Condition: New

1/2-20 x 5.313 Grip Airframe Bolt, 6.09 UHL, Drilled Shank

1 to 5: $15.99

6 to 35: $14.52

36 & up: $13.05

In Stock

AN8-60A
Condition: New

1/2-20 x 5.313 Grip Airframe Bolt, 6.09 UHL, undrilled

1 to 5: $15.79

6 & up: $14.37

In Stock

AN8-64A
Condition: New

1/2-20 x 5.813 Grip Airframe Bolt, 6.59 UHL, undrilled

1 to 5: $19.99

6 & up: $18.42

In Stock

AN8-67A
Condition: New

1/2-20 x 6.188 Grip Airframe Bolt, 6.97 UHL, undrilled

1 to 5: $19.99

6 & up: $18.19

In Stock

AN8-70A
Condition: New

1/2-20 x 6.313 Grip Airframe Bolt, 7.09 UHL, undrilled

1 to 5: $21.49

6 & up: $20.00

In Stock

AN8-72A
Condition: New

1/2-20 x 6.563 Grip Airframe Bolt, 7.34 UHL, undrilled

1 to 5: $21.49

6 to 35: $19.68

36 & up: $17.86

In Stock

AN8-74A
Condition: New

1/2-20 x 6.813 Grip Airframe Bolt, 7.59 UHL, undrilled

1 to 4: $32.99

5 & up: $30.14

Not In Stock
notify me when available

AN8-75A
Condition: New

1/2-20 x 6.938 Grip Airframe Bolt, 7.72 UHL, undrilled

1 to 4: $32.99

5 & up: $30.14

In Stock

AN8-76A
Condition: New

1/2-20 x 7.063 Grip Airframe Bolt, 7.84 UHL, undrilled

1 to 4: $32.99

5 & up: $30.14

In Stock

AN8-77A
Condition: New

1/2-20 x 7.188 Grip Airframe Bolt, 7.97 UHL, undrilled

1 to 4: $32.99

5 & up: $30.14

In Stock

AN8-83
Condition: New

1/2-20 x 7.688 Grip Airframe Bolt, 8.47 UHL, Drilled Shank

1 to 5: $30.99

6 & up: $28.30

Not In Stock
notify me when available

AN8-83A
Condition: New

1/2-20 x 7.688 Grip Airframe Bolt, 8.47 UHL, undrilled

1 to 5: $29.99

6 & up: $27.38

Not In Stock
notify me when available
 

REVIEW SNAPSHOT®

by PowerReviews
AN8 Airframe Bolt, 1/2-20 Thread
 
5.0

(based on 2 reviews)

Ratings Distribution

  • 5 Stars

     

    (2)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (0)

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    (0)

  • 1 Stars

     

    (0)

Reviewed by 2 customers

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5.0

Got just what I ordered. I'd do it again

By Azmotorhead

from Phoenix Az

Verified Buyer

Comments about AN8 Airframe Bolt, 1/2-20 Thread:

Bolts will do just what they're intended to do.
Hold my life together.

(1 of 1 customers found this review helpful)

 
5.0

Great Quality Hardware

By drspdracer

from McLean, VA

Verified Buyer

Comments about AN8 Airframe Bolt, 1/2-20 Thread:

Airframe bolts seem to be consistently true to size. These micrometer out pretty close to the 1/2 diameter. Not much play when used in bushings.

Displaying reviews 1-2

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