1/4"-20 Free Spinning Washer Nut 5/8" Outside Diameter – Package Quantity • 50 535i GT Top Head Size : 13

Top Head Size : 13 x 13

1/4-20 Free Spinning Washer Nut 5/8" Outside Diameter • Free Spinning Washer Nuts: A hex nut with a captive free spinning washer

GM 4137121

As a tapping screw is installed

Inside Length 11/16"

1/4"-20 Free Spinning Washer Nut 5/8" Outside Diameter – Package Quantity • 50 535i GT Top Head Size : 131 4 20 Free Spinning Washer Nut 5 8" Outside Diameter Free Spinning Washer Nuts: A hex nut with a captive free spinning washer. As the nut is tightened against a surface, a "wedging action" is produced to create a tight friction locking action. Some nuts may have grounding "teeth" on the underside of the washer. These nuts are available in both standard USS coarse and SAE fine thread as well as metric regular pitch. They are used with body bolts. Type