CapNut Hardware Dimenshions User profile Updated April 15, 2020 23:50 Follow The bolts used with our tracks are Screws are #10-32x1” The Capnuts are 1/2 x 1-1/4”. Related articles What are the dimensions of your track? What are the dimensions of the PlusNuts? Aluminum vehicle bodies and custom applications What options do I have for a custom application? Where can I have my rack professionally installed?