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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 | Thread Pitch (mm) | Hex (mm) | A Diameter (mm) | B (mm) | C Diameter (mm) | R (mm) |
| M16 | 2mm | 24mm | 35mm | 25mm | 17.5mm | 44.5mm |
Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
US$40
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