Spherical Rod End System of Measurement Inch Bore Diameter 1/4 in Head Outside Diameter 3/4 in Head Width 0.25 in Shank Thread Length 1 in Shank Thread Size 1/4 In.-28 Housing Material Carbon Steel Shank Thread Direction Left Hand Application Light Duty Ball Diameter 0.5 in Ball Material Alloy Steel Ball Material Grade 52100 Bore Diameter Tolerance +0.0025/-0.0005 in Housing Material Finish Chrome Plated Inner Ring Width 0.375 in Maximum Ball Swivel 27 Degrees