Since 1963, AETNA has specialized in spherical bearing products and industrial fasteners. Our spherical rod ends feature hardened balls with either nylon, PTFE, steel or bronze race / liners with bodies in low carbon, mild, alloy, 17-4 PH stainless and 7075-T6 aluminum materials. AETNA provides ball joint assemblies, spherical round bearings, high misalignment spherical rod ends & roud bearings, ball swivels, threaded ball studs, control rods, connecting rods, rod eyes, clevises, yoke ends and custom limkage assemblies for a variety of motion transfer applications. AETNA also provides wheel / hub bolts, wheel studs, double end studs, one & two piece wheel nuts, hex head six slot locking place bolts grade 8 type AA, bearing locknuts & washers, large diameter hex collar locknuts grade C, hex stake nuts, hex slotted spindle nuts, drive pins, grease fittings, retaining rings and more for power train applications.