SummaryFor the hardware use: 6 #6-32 Square nuts 6 #6-32 Socket cap screws x 3/4" long. The part is designed such that the nuts are a finger press fit into the rectangular holes and at just the correct depth so that once pushed in all the way they line up to the hole eliminating the need to worry about getting the screw started. Also the head of the socket head cap screws that secure the clamp in place are counter sunk for a nice clean finish.Print SettingsRafts: Doesn't MatterSupports: Doesn't Matter