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AN12 Airframe Bolt, 3/4-16 Thread

Click for a larger picture of AN12 Airframe Bolt, 3/4-16 Thread

AN12 bolts have a 3/4-16 thread with a 3/4" shank diameter. All AN12 bolts have a 1.0938" thread length, regardless of grip length. This thread length is designed to accommodate a full-height lock nut plus one AN960 washer.

Torque AN12 bolts to 192-208 lb-ft with AN365 or AN310 full-height nuts or 108-125 lb-ft with AN364 or MS21042 half-height nuts.

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.


3/4-16 x 2.063 Grip Airframe Bolt, 3.16 UHL, undrilled

1 to 5: $19.79

6 & up: $18.65

In Stock


3/4-16 x 2.938 Grip Airframe Bolt, 4.03 UHL, undrilled

1 to 5: $21.99

6 to 35: $20.76

36 & up: $19.53

In Stock


3/4-16 x 3.438 Grip Airframe Bolt, 4.53 UHL, Drilled Shank

1 to 5: $26.99

6 & up: $24.93

In Stock