Heavy-duty two-piece washer that compensates whenever a stud and clamping surface are not exactly perpendicular. The top washer has a convex spherical radius, while the bottom washer has a matching concave spherical radius. Made in USA.
| Steel | |||||
| Material | Heat Treat | Finish | DFARS | RoHS | |
| 1215 Steel | Carburized-Hardened | Black Oxide | Yes | Yes | |
| Bolt Size | A Diameter | B Diameter | C | D Diameter | R |
| 5/16 or M8 | 11/32 | 13/16 | 7/32 | 3/8 | 1 |
714.897.1700
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