Overview Reviews Product Description Airframe Bolt - Length: 25/32", Grip: 5/16", Thread: 1/4-28, Cadmium Plated Steel, Undrilled Shank Product Videos Custom Field Product Reviews Write a Review Write a Review × AN4-6A Bolt Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *