Description

Combination nut and washer that compensates whenever a stud and clamping surface are not exactly perpendicular. Heavy-hex nut, similar to a Flange Nut, except with a convex spherical radius underneath. The washer has a matching concave spherical radius. Available in steel with thread sizes from 1/4-20 to 1″-8 (M6 to M24 in metric), and in stainless steel with thread sizes from 1/4-20 to 3/4-10. Made in USA.