AN3A undrilled aircraft bolts — for stop-nut applications; choose your length from the drop-down menu above. Undrilled for stop nut application. The length of the AN aircraft bolts is measured from under the head to the end of the shank. The grip is the un-threaded area of the shank. See Affordaplane plans for how many of each bolt is required. Using the drop down menu above enter size and quantity for each.
