Spherical Rod End System of Measurement Inch Ball Stud Center Length 2 in Ball Stud Thread Length 1 in Ball Stud Thread Size 1/2 In.-20 Bore Diameter 1/2 in Head Outside Diameter 1 1/4 in Head Width 0.5 in Shank Thread Length 1 1/8 in Shank Thread Size 1/2 In.-20 Housing Material Carbon Steel Shank Thread Direction Left Hand Application Low Load Moderate Oscillation Ball Diameter 0.937 in Ball Material Alloy Steel Ball Material Grade 52100 Ball Stud Material Carbon Steel