Haji tools & hardware offers double end studs. Haji tools & hardware offers stainless steel fasteners, steel threaded inserts, screws, head bolts, hex nuts, etc. The wide range of double end studs is generally used for fastening. The double end studs are available in various sizes. These studs are used in aluminum extrusion, food processing plants, breweries, fertilizer plants, paper plants, power plants, pharmaceutical industry and various other industries.