Spiral Retaining Ring 0.035 in Thk PK25 System of Measurement Inch Location Style Internal Thickness 0.035 in Fits Shaft Diameter Not Applicable For Bore Diameter 5/8 in Fits Groove Diameter 0.665 in Fits Groove Width 0.039 in Fits Groove Depth 0.02 in Free Outside Diameter 0.675 in Material Steel Finish Plain Material Grade/Class Ungraded Tensile Strength 221 000 psi Ring Type Spiral Retaining Ring Material Quality Standards ANSI Pack Size Small Pack