Rigid Shaft Coupling Bore Diameter 1 16 mm Bore Diameter 2 16 mm Bore Type Round Clearance Diameter 34 mm Coupling Construction One-Piece Coupling Material Stainless Steel Coupling Outside Diameter 34 mm Different Bore Sizes No Keyway Depth 1 Not Applicable Keyway Depth 2 Not Applicable Minimum Bore Diameter 16 mm Keyway Width 1 Not Applicable Keyway Width 2 Not Applicable Maximum Bore Diameter 16 mm Maximum Speed 4 000 RPM Maximum Torque 60 N-m Overall Length 50 mm