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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. Made in USA.

| Steel | |||||
| Material | Heat Treat | Finish | DFARS | RoHS | |
| 1215 Steel | Carburized-Hardened | Black Oxide | ✔ | ✔ | |

| Thread Size | Hex (Inch) | A Diameter (Inch) | B (Inch) | C Diameter (Inch) | R (Inch) |
| 7/8-9 | 1-7/16" | 1-3/4" | 1-5/16" | 1" | 2-1/2" |
Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
US$40
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