Toggle mobile menu
U.S.S. & S.A.E. Plastic GaugeJust push the bolts through the holes to find the bolt diameter. The length gauge measures “regular” heads from the left end and countersunk heads from the notch at the right end. Nuts drop on the plugs along the top edge of the gauge. S.A.E. fine thread nuts fit to the base of the plugs, U.S.S. coarse thread nuts fit half-way.
Metric Bolt & Nut Gauge Determine the diameter of the bolts by pushing them thru the holes.Measure the hex head of bolts & screws or the “across the flat” dimension of hex nuts in the recesses around the holes (listed as wrench size). Right-hand side of tool measures thread pitch (1.00, 1.50, 1.75 & 2.00)1 Per PackageView Catalog Page