Round Washers for Nut eye bolts and machine bolts 

Our Eye Bolts are drop forged steel, machine threaded, heat treated after forging. Eye Bolts are threaded National Course before galvanizing and assembled with hex nuts tapped oversize. Each Nut Eye Bolt comes with Nut, 2 round washers, 1 double coil lock washer, and one cable thimble. OH Yea...FREE SHIPPING TOO!!

Nut Eye bolts are the main bolt used in ropes challenge course and zip line construction. Cables are terminated to the eye bolt around a thimble to prevent cable deformaion at the turnback. Eye bolts should always be backed up by wrapping a separate piece of cable around whatever the bolt is going through. Eye bolts have been known to have manufacturing defects that cannot be detected by visual inspection.