Internal Light Duty Spiral Ring System of Measurement Inch Location Style Internal Thickness 0.012 in Fits Shaft Diameter Not Applicable For Bore Diameter 1/4 in Fits Groove Diameter 0.262 in Fits Groove Width 0.015 in Fits Groove Depth 0.006 in Free Inside Diameter Not Applicable Free Outside Diameter 0.264 in Clearance Diameter Not Applicable Material Steel Finish Plain Material Grade/Class Not Graded Tensile Strength Not Applicable Ring Type Internal Light Duty Spiral Ring