GRAINGER APPROVED . Z9530SET

Spherical Washer, Bottom Washer Inside Diameter 19 mm, Bottom Washer Outside Diameter 30 mm, Bottom Washer Radius 22 mm, Finish Black Oxide, For Screw Size M16, Material Steel, Maximum Thickness 9.6 mm, Minimum Thickness 9.6 mm, Pack Size Small Pack, Rockwell Hardness C40, Spherical Washer Type Spherical Washer Assembly, System of Measurement Metric, Top Washer Inside Diameter 17 mm, Top Washer Outside Diameter 30 mm, 1 Pair