E Style Retaining Ring 0.6 mm Thk PK10 System of Measurement Metric Location Style External Thickness 0.6 mm Fits Shaft Diameter 4 mm For Bore Diameter Not Applicable Fits Groove Diameter 3.2 mm Fits Groove Width 0.64 mm Fits Groove Depth - Free Outside Diameter 6.9 mm Clearance Diameter 7.3 mm Material Stainless Steel Finish Plain Material Grade/Class 18-8 Tensile Strength 100 000 psi Ring Type E-Style Retaining Ring Material Quality Standards DIN 1.4122