Machinery Eye Bolt System of Measurement Inch Eyebolt Type Lift with Shoulder Material Steel Finish Plain Thread Size 1/4 In.-20 Thread Length 4 in Shank Dia 1/4 in Shank Length 4 in Shoulder Dia 0.50 in to 0.56 in Shoulder Length 5/32 in Eye Inside Dia 3/4 in Eye Outside Dia 1 3/16 in Overall Length 5 31/64 in Min Tensile Strength 65 000 psi Working Load Limit 500 lb