Machinery Eye Bolt System of Measurement Metric Eyebolt Type Lift with Shoulder Material 316 Stainless Steel Finish Plain Thread Size M12-1.75 Thread Length 20.5 mm Shank Dia 12 mm Shank Length 20.5 mm Shoulder Dia 30mm Shoulder Length 10 mm Eye Inside Dia 30 mm Eye Outside Dia 54.0 mm Overall Length 74.5 mm Working Load Limit 748 lb