Using Float in a Floating Fastener Assembly This example illustrates the effects fastener float has on a measurement with parts constrained by floating fastener assemblies. The assembly includes axle supports fastened to the top plate using 10 mm bolts. The measurement to evaluate is the minimum and maximum distance between the inner faces of the axle supports. The top plate and axle supports have these dimensions and tolerances. Parent topicFloating Fastener Assembly Floating Fastener Assembly Without Float Floating Fastener Assembly with Float