National Hardware Eye Bolt, Thread Size: 5/8 in, Thread Length: 3-3/4 in, TPI/Pitch: 11, Eye Diameter: 1-1/4 in ID, 14 in OAL, Working Load Limit: 560 lb, Steel, Zinc, Includes: Hex Nut
Standard machine screw threads
Standard machine screw threads
Course machine screw thread on the extra large sizes (larger than 1/2 x 12)
When subjected to 312 hr of salt fog spray testing, zinc-plated hardware showed severe corrosion while hardware with WeatherGuard protection withstood these harsh conditions with very little deterioration