NUTS:  5/8" & 3/4" for eye bolts and machine bolts 

Our Eye Bolt nuts are drop forged steel, machine threaded, heat treated after forging. Eye Bolt nuts are threaded National Course before galvanizing. 

Forged Nut Eye bolts are the backbone of 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.  OH Yea...FREE SHIPPING TOO!!