Stainless Steel DIN 580 Machinery Shoulder Lifting Eye Bolt 1/2 UNC 700 Lbs WLL 316 SS Industrial lifting eye bolt, precision cast grade 316 stainless steel for superior rust resistance 1/2 in. thread size, 3/4 thread length, 7/16 shank diameter; UNC thread, electronic polished 1-3/16 in. eye inside diameter, 2-1/16 eye outside diameter; length overall 2-7/8, weight 5.4 oz Shoulder pattern allows more flexibility in lift angle; European DIN580 style Working load limit 700 lbs. Numerous other styles/sizes (including metric) also available