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AN4 Airframe Bolt - Drilled Head, 1/4-28 Thread

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AN4H bolts have a drilled head for safety wire and a 1/4-28 thread with 0.469 inch thread length except AN4H-3A, which has 0.406 inch thread length.

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, AN4H-15A) indicates an undrilled shank for use with a self-locking nut.

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

Order Qty

Part No.

Desc.

Price

Status

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AN4H-3

1/4-28 x 1/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-3A

1/4-28 x 1/16" Grip Airframe Bolt, Drilled Head

1 to 11: $0.54

12 & up: $0.50

In Stock
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AN4H-4

1/4-28 x 1/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-4A

1/4-28 x 1/16" Grip Airframe Bolt, Drilled Head

1 to 11: $0.54

12 to 149: $0.48

150 & up: $0.41

In Stock
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AN4H-5

1/4-28 x 3/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-5A

1/4-28 x 3/16" Grip Airframe Bolt, Drilled Head

1 to 11: $0.69

12 & up: $0.67

In Stock
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AN4H-6

1/4-28 x 5/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-6A

1/4-28 x 5/16" Grip Airframe Bolt, Drilled Head

1 to 11: $0.59

12 & up: $0.52

In Stock
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AN4H-7

1/4-28 x 7/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-7A

1/4-28 x 7/16" Grip Airframe Bolt, Drilled Head

1 to 11: $0.59

12 & up: $0.52

In Stock
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AN4H-10

1/4-28 x 9/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-10A

1/4-28 x 9/16" Grip Airframe Bolt, Drilled Head

1 to 9: $1.29

10 & up: $1.18

In Stock
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AN4H-11

1/4-28 x 11/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-11A

1/4-28 x 11/16" Grip Airframe Bolt, Drilled Head

1 to 11: $0.59

12 & up: $0.52

In Stock
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AN4H-12

1/4-28 x 13/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-12A

1/4-28 x 13/16" Grip Airframe Bolt, Drilled Head

1 to 9: $1.19

10 to 99: $1.06

100 & up: $0.92

In Stock

AN4H-13A

1/4-28 x 15/16" Grip Airframe Bolt, Drilled Head

1 to 11: $0.79

12 & up: $0.70

In Stock
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AN4H-14

1/4-28 x 1 1/16" Grip Airframe Bolt, Drilled Head& Shank

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AN4H-14A

1/4-28 x 1 1/16" Grip Airframe Bolt, Drilled Head

1 to 11: $0.79

12 & up: $0.70

In Stock
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AN4H-15

1/4-28 x 1 3/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-15A

1/4-28 x 1 3/16" Grip Airframe Bolt, Drilled Head

1 to 11: $0.89

12 & up: $0.79

In Stock

AN4H-16

1/4-28 x 1 5/16" Grip Airframe Bolt, Drilled Head & Shank

1 to 11: $0.89

12 & up: $0.82

In Stock

AN4H-16A

1/4-28 x 1 5/16" Grip Airframe Bolt, Drilled Head

1 to 11: $0.89

12 & up: $0.79

In Stock
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AN4H-17

1/4-28 x 1 7/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-17A

1/4-28 x 1 7/16" Grip Airframe Bolt, Drilled Head

1 to 11: $0.89

12 & up: $0.79

In Stock
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AN4H-20

1/4-28 x 1 9/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-20A

1/4-28 x 1 9/16" Grip Airframe Bolt, Drilled Head

1 to 11: $0.99

12 & up: $0.88

In Stock
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AN4H-21

1/4-28 x 1 11/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-21A

1/4-28 x 1 11/16" Grip Airframe Bolt, Drilled Head

1 to 11: $0.99

12 & up: $0.88

In Stock
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AN4H-22

1/4-28 x 1 13/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-22A

1/4-28 x 1 13/16" Grip Airframe Bolt, Drilled Head

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AN4H-23

1/4-28 x 1 15/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-23A

1/4-28 x 1 15/16" Grip Airframe Bolt, Drilled Head

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AN4H-24

1/4-28 x 2 1/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-24A

1/4-28 x 2 1/16" Grip Airframe Bolt, Drilled Head

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AN4H-25

1/4-28 x 2 3/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-25A

1/4-28 x 2 3/16" Grip Airframe Bolt, Drilled Head

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AN4H-26

1/4-28 x 2 5/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-26A

1/4-28 x 2 5/16" Grip Airframe Bolt, Drilled Head

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AN4H-27

1/4-28 x 2 7/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-27A

1/4-28 x 2 7/16" Grip Airframe Bolt, Drilled Head

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AN4H-30

1/4-28 x 2 9/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-30A

1/4-28 x 2 9/16" Grip Airframe Bolt, Drilled Head

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AN4H-31

1/4-28 x 2 11/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-31A

1/4-28 x 2 11/16" Grip Airframe Bolt, Drilled Head

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AN4H-32

1/4-28 x 2 13/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-32A

1/4-28 x 2 13/16" Grip Airframe Bolt, Drilled Head

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AN4H-33

1/4-28 x 2 15/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-33A

1/4-28 x 2 15/16" Grip Airframe Bolt, Drilled Head

1 to 9: $1.99

10 & up: $1.91

In Stock
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AN4H-34

1/4-28 x 3 1/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-34A

1/4-28 x 3 1/16" Grip Airframe Bolt, Drilled Head

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AN4H-35

1/4-28 x 3 3/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-35A

1/4-28 x 3 3/16" Grip Airframe Bolt, Drilled Head

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AN4H-36

1/4-28 x 3 5/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-36A

1/4-28 x 3 5/16" Grip Airframe Bolt, Drilled Head

1 to 7: $4.49

8 to 59: $4.03

60 & up: $3.57

In Stock
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AN4H-37

1/4-28 x 3 7/16" Grip Airframe Bolt, Drilled Head & Shank

Call for Quote Not In Stock
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AN4H-37A

1/4-28 x 3 7/16" Grip Airframe Bolt, Drilled Head

1 to 9: $1.99

10 & up: $1.77

In Stock

AN4H-40

1/4-28 x 3 9/16" Grip Airframe Bolt, Drilled Head & Shank

1 to 5: $22.99

6 & up: $20.94

Not In Stock
notify me when available

AN4H-40A

1/4-28 x 3 9/16" Grip Airframe Bolt, Drilled Head

1 to 5: $11.99

6 to 35: $10.86

36 & up: $9.73

In Stock
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AN4H-41

1/4-28 x 3 11/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-41A

1/4-28 x 3 11/16" Grip Airframe Bolt, Drilled Head

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AN4H-42

1/4-28 x 3 13/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-42A

1/4-28 x 3 13/16" Grip Airframe Bolt, Drilled Head

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AN4H-43

1/4-28 x 3 15/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-43A

1/4-28 x 3 15/16" Grip Airframe Bolt, Drilled Head

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AN4H-44

1/4-28 x 4 1/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-44A

1/4-28 x 4 1/16" Grip Airframe Bolt, Drilled Head

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AN4H-45A

1/4-28 x 4 3/16" Grip Airframe Bolt, Drilled Head

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AN4H-46

1/4-28 x 4 5/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-46A

1/4-28 x 4 5/16" Grip Airframe Bolt, Drilled Head

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AN4H-47

1/4-28 x 4 7/16" Grip Airframe Bolt, Drilled Head & Shank

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AN4H-47A

1/4-28 x 4 7/16" Grip Airframe Bolt, Drilled Head

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AN4H-50A

1/4-28 x 4 9/16" Grip Airframe Bolt, Drilled Head

Call for Quote Not In Stock
notify me when available