Our parts are made in Rockford, IL – USA. We make eyebolts, u-bolts, j-bolts, s-hooks, screw hooks and other wire forms, both threaded and non-threaded. We are happy to manufacture parts to your specifications. Thread sizes available are 4-40 to ½ -20 and metric sizes M4X0.7 to M12X1.25. Lag threads also available (material sizes .062” to .461”). A variety of materials are available including low and medium carbon steel, and 304 and 316 stainless steel.