Spherical Rod End System of Measurement Inch Bore Diameter 5/16 in Head Outside Diameter 7/8 in Head Width 0.312 in Shank Thread Length 5/8 in Shank Thread Size 5/16 In.-24 Housing Material Stainless Steel Shank Thread Direction Right Hand Application Light Duty Ball Diameter 0.625 in Ball Material Stainless Steel Ball Material Grade 440C Bore Diameter Tolerance +0.0015/-0.0005 in Housing Material Finish Chrome Plated Inner Ring Width 0.437 in Maximum Ball Swivel 22 Degrees