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AN5 Airframe Bolt, 5/16-24 Thread

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AN5 bolts have 5/16-24 UNF threads and a 5/16" diameter shank. All sizes of AN5 bolts have a 0.531 inch thread length, regardless of grip length. This thread length has been designed specifically to accommodate a full-height nut and one AN960-516 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 AN960-516 and AN960-516L 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, AN5-13A) 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

AN5-4

5/16-24 x 0.063 Grip Airframe Bolt, 0.59 UHL, Drilled Shank

1 to 11: $0.89

12 to 149: $0.79

150 & up: $0.68

In Stock

AN5-4A

5/16-24 x 0.063 Grip Airframe Bolt, 0.59 UHL, undrilled

1 to 11: $0.49

12 to 149: $0.43

150 & up: $0.37

In Stock

AN5-5

5/16-24 x 0.188 Grip Airframe Bolt, 0.72 UHL, Drilled Shank

1 to 11: $0.59

12 & up: $0.52

In Stock

AN5-5A

5/16-24 x 0.188 Grip Airframe Bolt, 0.72 UHL, undrilled

1 to 11: $0.59

12 & up: $0.52

In Stock

AN5-6

5/16-24 x 0.313 Grip Airframe Bolt, 0.84 UHL, Drilled Shank

1 to 11: $0.59

12 & up: $0.52

In Stock

AN5-6A

5/16-24 x 0.313 Grip Airframe Bolt, 0.84 UHL, undrilled

1 to 11: $0.59

12 to 149: $0.52

150 & up: $0.45

In Stock

AN5-7

5/16-24 x 0.438 Grip Airframe Bolt, 0.97 UHL, Drilled Shank

1 to 11: $0.69

12 & up: $0.64

In Stock

AN5-7A

5/16-24 x 0.438 Grip Airframe Bolt, 0.97 UHL, undrilled

1 to 11: $0.59

12 to 149: $0.52

150 & up: $0.45

In Stock

AN5-10

5/16-24 x 0.563 Grip Airframe Bolt, 1.09 UHL, Drilled Shank

1 to 11: $0.69

12 & up: $0.63

In Stock

AN5-10A

5/16-24 x 0.563 Grip Airframe Bolt, 1.09 UHL, undrilled

1 to 11: $0.69

12 to 149: $0.61

150 & up: $0.53

In Stock

AN5-11

5/16-24 x 0.688 Grip Airframe Bolt, 1.22 UHL, Drilled Shank

1 to 11: $0.79

12 & up: $0.75

In Stock

AN5-11A

5/16-24 x 0.688 Grip Airframe Bolt, 1.22 UHL, undrilled

1 to 11: $0.69

12 to 149: $0.61

150 & up: $0.53

In Stock

AN5-12

5/16-24 x 0.813 Grip Airframe Bolt, 1.34 UHL, Drilled Shank

1 to 11: $0.74

12 to 149: $0.66

150 & up: $0.58

In Stock

AN5-12A

5/16-24 x 0.813 Grip Airframe Bolt, 1.34 UHL, undrilled

1 to 11: $0.79

12 to 149: $0.70

150 & up: $0.60

In Stock

AN5-13

5/16-24 x 0.938 Grip Airframe Bolt, 1.47 UHL, Drilled Shank

1 to 11: $0.69

12 to 149: $0.64

150 & up: $0.58

In Stock

AN5-13A

5/16-24 x 0.938 Grip Airframe Bolt, 1.47 UHL, undrilled

1 to 11: $0.69

12 to 149: $0.61

150 & up: $0.53

In Stock

AN5-14

5/16-24 x 1.063 Grip Airframe Bolt, 1.59 UHL, Drilled Shank

1 to 11: $0.89

12 to 149: $0.79

150 & up: $0.68

In Stock

AN5-14A

5/16-24 x 1.063 Grip Airframe Bolt, 1.59 UHL, undrilled

1 to 11: $0.79

12 to 149: $0.70

150 & up: $0.60

In Stock

AN5-15

5/16-24 x 1.188 Grip Airframe Bolt, 1.72 UHL, Drilled Shank

1 to 11: $0.79

12 & up: $0.74

In Stock

AN5-15A

5/16-24 x 1.188 Grip Airframe Bolt, 1.72 UHL, undrilled

1 to 11: $0.79

12 to 149: $0.70

150 & up: $0.60

In Stock

AN5-16

5/16-24 x 1.313 Grip Airframe Bolt, 1.84 UHL, Drilled Shank

1 to 11: $0.89

12 & up: $0.81

In Stock

AN5-16A

5/16-24 x 1.313 Grip Airframe Bolt, 1.84 UHL, undrilled

1 to 11: $0.69

12 to 149: $0.61

150 & up: $0.53

In Stock

AN5-17

5/16-24 x 1.438 Grip Airframe Bolt, 1.97 UHL, Drilled Shank

1 to 11: $0.79

12 & up: $0.70

In Stock

AN5-17A

5/16-24 x 1.438 Grip Airframe Bolt, 1.97 UHL, undrilled

1 to 11: $0.69

12 to 149: $0.61

150 & up: $0.53

In Stock

AN5-20

5/16-24 x 1.563 Grip Airframe Bolt, 2.09 UHL, Drilled Shank

1 to 11: $0.84

12 & up: $0.74

In Stock

AN5-20A

5/16-24 x 1.563 Grip Airframe Bolt, 2.09 UHL, undrilled

1 to 11: $0.69

12 to 149: $0.61

150 & up: $0.53

In Stock

AN5-21

5/16-24 x 1.688 Grip Airframe Bolt, 2.22 UHL, Drilled Shank

1 to 11: $0.84

12 & up: $0.74

In Stock

AN5-21A

5/16-24 x 1.688 Grip Airframe Bolt, 2.22 UHL, undrilled

1 to 11: $0.69

12 to 149: $0.61

150 & up: $0.53

In Stock

AN5-22

5/16-24 x 1.813 Grip Airframe Bolt, 2.34 UHL, Drilled Shank

1 to 11: $0.89

12 & up: $0.81

In Stock

AN5-22A

5/16-24 x 1.813 Grip Airframe Bolt, 2.34 UHL, undrilled

1 to 11: $0.69

12 to 149: $0.61

150 & up: $0.53

In Stock

AN5-23

5/16-24 x 1.938 Grip Airframe Bolt, 2.47 UHL, Drilled Shank

1 to 11: $0.89

12 & up: $0.79

In Stock

AN5-23A

5/16-24 x 1.938 Grip Airframe Bolt, 2.47 UHL, undrilled

1 to 11: $0.74

12 & up: $0.66

In Stock

AN5-24

5/16-24 x 2.063 Grip Airframe Bolt, 2.59 UHL, Drilled Shank

1 to 11: $0.89

12 & up: $0.79

In Stock

AN5-24A

5/16-24 x 2.063 Grip Airframe Bolt, 2.59 UHL, undrilled

1 to 11: $0.74

12 to 149: $0.66

150 & up: $0.57

In Stock

AN5-25

5/16-24 x 2.188 Grip Airframe Bolt, 2.72 UHL, Drilled Shank

1 to 11: $0.89

12 & up: $0.79

In Stock

AN5-25A

5/16-24 x 2.188 Grip Airframe Bolt, 2.72 UHL, undrilled

1 to 11: $0.89

12 to 149: $0.79

150 & up: $0.68

In Stock

AN5-26

5/16-24 x 2.313 Grip Airframe Bolt, 2.84 UHL, Drilled Shank

1 to 11: $0.89

12 & up: $0.79

In Stock

AN5-26A

5/16-24 x 2.313 Grip Airframe Bolt, 2.84 UHL, undrilled

1 to 11: $0.79

12 to 149: $0.70

150 & up: $0.60

In Stock

AN5-27

5/16-24 x 2.438 Grip Airframe Bolt, 2.97 UHL, Drilled Shank

1 to 11: $0.89

12 & up: $0.79

In Stock

AN5-27A

5/16-24 x 2.438 Grip Airframe Bolt, 2.97 UHL, undrilled

1 to 11: $0.89

12 to 149: $0.79

150 & up: $0.68

In Stock

AN5-30

5/16-24 x 2.563 Grip Airframe Bolt, 3.09 UHL, Drilled Shank

1 to 11: $0.99

12 to 149: $0.88

150 & up: $0.76

In Stock

AN5-30A

5/16-24 x 2.563 Grip Airframe Bolt, 3.09 UHL, undrilled

1 to 11: $0.94

12 & up: $0.83

In Stock

AN5-31

5/16-24 x 2.688 Grip Airframe Bolt, 3.22 UHL, Drilled Shank

1 to 9: $1.49

10 & up: $1.32

In Stock

AN5-31A

5/16-24 x 2.688 Grip Airframe Bolt, 3.22 UHL, undrilled

1 to 9: $1.49

10 to 99: $1.32

100 to 999: $1.15

1000 & up: call   

In Stock

AN5-32

5/16-24 x 2.813 Grip Airframe Bolt, 3.34 UHL, Drilled Shank

1 to 9: $1.49

10 & up: $1.32

In Stock

AN5-32A

5/16-24 x 2.813 Grip Airframe Bolt, 3.34 UHL, undrilled

1 to 9: $1.49

10 to 99: $1.34

100 & up: $1.18

In Stock

AN5-33

5/16-24 x 2.938 Grip Airframe Bolt, 3.47 UHL, Drilled Shank

1 to 9: $2.99

10 to 99: $2.67

100 & up: $2.35

In Stock

AN5-33A

5/16-24 x 2.938 Grip Airframe Bolt, 3.47 UHL, undrilled

1 to 9: $1.99

10 to 99: $1.77

100 to 999: $1.55

1000 & up: call   

In Stock

AN5-34

5/16-24 x 3.063 Grip Airframe Bolt, 3.59 UHL, Drilled Shank

1 to 9: $1.49

10 to 99: $1.32

100 & up: $1.15

In Stock

AN5-34A

5/16-24 x 3.063 Grip Airframe Bolt, 3.59 UHL, undrilled

1 to 9: $1.99

10 to 99: $1.77

100 & up: $1.55

In Stock

AN5-35

5/16-24 x 3.188 Grip Airframe Bolt, 3.72 UHL, Drilled Shank

1 to 9: $1.59

10 to 99: $1.41

100 & up: $1.23

In Stock

AN5-35A

5/16-24 x 3.188 Grip Airframe Bolt, 3.72 UHL, undrilled

1 to 9: $1.99

10 & up: $1.77

In Stock

AN5-36

5/16-24 x 3.313 Grip Airframe Bolt, 3.84 UHL, Drilled Shank

1 to 7: $3.29

8 to 59: $2.95

60 & up: $2.60

In Stock

AN5-36A

5/16-24 x 3.313 Grip Airframe Bolt, 3.84 UHL, undrilled

1 to 9: $1.99

10 & up: $1.83

In Stock

AN5-37

5/16-24 x 3.438 Grip Airframe Bolt, 3.97 UHL, Drilled Shank

1 to 9: $1.59

10 to 99: $1.41

100 & up: $1.23

In Stock

AN5-37A

5/16-24 x 3.438 Grip Airframe Bolt, 3.97 UHL, undrilled

1 to 9: $1.99

10 & up: $1.79

In Stock

AN5-40

5/16-24 x 3.563 Grip Airframe Bolt, 4.09 UHL, Drilled Shank

1 to 7: $4.69

8 to 59: $4.21

60 & up: $3.73

In Stock

AN5-40A

5/16-24 x 3.563 Grip Airframe Bolt, 4.09 UHL, undrilled

1 to 9: $2.29

10 & up: $2.04

In Stock
Call for Quote

AN5-41

5/16-24 x 3.688 Grip Airframe Bolt, 4.22 UHL, Drilled Shank

Call for QuoteNot In Stock
notify me when available

AN5-41A

5/16-24 x 3.688 Grip Airframe Bolt, 4.22 UHL, undrilled

1 to 9: $2.69

10 & up: $2.51

In Stock

AN5-42A

5/16-24 x 3.813 Grip Airframe Bolt, 4.34 UHL, undrilled

1 to 9: $2.69

10 to 99: $2.40

100 & up: $2.11

In Stock
Call for Quote

AN5-43

5/16-24 x 3.938 Grip Airframe Bolt, 4.47 UHL, Drilled Shank

Call for QuoteNot In Stock
notify me when available

AN5-43A

5/16-24 x 3.938 Grip Airframe Bolt, 4.47 UHL, undrilled

1 to 9: $2.69

10 & up: $2.40

In Stock
Call for Quote

AN5-44

5/16-24 x 4.063 Grip Airframe Bolt, 4.59 UHL, Drilled Shank

Call for QuoteNot In Stock
notify me when available

AN5-44A

5/16-24 x 4.063 Grip Airframe Bolt, 4.59 UHL, undrilled

1 to 9: $2.69

10 & up: $2.42

In Stock
Call for Quote

AN5-45

5/16-24 x 4.188 Grip Airframe Bolt, 4.72 UHL, Drilled Shank

Call for QuoteNot In Stock
notify me when available

AN5-45A

5/16-24 x 4.188 Grip Airframe Bolt, 4.72 UHL, undrilled

1 to 9: $2.69

10 & up: $2.40

In Stock
Call for Quote

AN5-46

5/16-24 x 4.313 Grip Airframe Bolt, 4.84 UHL, Drilled Shank

Call for QuoteNot In Stock
notify me when available

AN5-46A

5/16-24 x 4.313 Grip Airframe Bolt, 4.84 UHL, undrilled

1 to 7: $5.99

8 to 59: $5.39

60 & up: $4.79

In Stock
Call for Quote

AN5-47

5/16-24 x 4.438 Grip Airframe Bolt, 4.97 UHL, Drilled Shank

Call for QuoteNot In Stock
notify me when available

AN5-47A

5/16-24 x 4.438 Grip Airframe Bolt, 4.97 UHL, undrilled

1 to 7: $5.79

8 & up: $5.21

In Stock
Call for Quote

AN5-50

5/16-24 x 4.563 Grip Airframe Bolt, 5.09 UHL, Drilled Shank

Call for QuoteNot In Stock
notify me when available

AN5-50A

5/16-24 x 4.563 Grip Airframe Bolt, 5.09 UHL, undrilled

1 to 5: $11.99

6 & up: $11.07

In Stock

AN5-55A

5/16-24 x 5.188 Grip Airframe Bolt, 5.72 UHL, undrilled

1 to 5: $11.99

6 & up: $11.08

In Stock
 

REVIEW SNAPSHOT®

by PowerReviews
AN5 Airframe Bolt, 5/16-24 Thread
 
5.0

(based on 2 reviews)

Ratings Distribution

  • 5 Stars

     

    (2)

  • 4 Stars

     

    (0)

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Reviewed by 2 customers

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5.0

Good Fit

By JerryM

from Copley, Ohio

Verified Buyer

Comments about AN5 Airframe Bolt, 5/16-24 Thread:

No problems with fit or quality of thread.

Service and delivery comments:

Great Service and quickly shipped as usual!

(1 of 1 customers found this review helpful)

 
5.0

Perfect for Brake Rotor Hardware

By Dave

from Dunbarton, NH,

Verified Buyer

Comments about AN5 Airframe Bolt, 5/16-24 Thread:

If you have ever bought aftermarket brake kits you will know what I am talking about. Typically the bolts are the only thing centering the rotor to the adapter. They are fully threaded and fit loosely at best into the mounting holes.

Having the unthreaded grip length of the airframe hardware to register the rotor to the adapter makes fitment much more accurate and secure.

IMO airframe bolts should be used on every brake rotor mounted in this manner.

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