Bore Diameter (Actual) 22.0 mm, Bore Length 1.31 in, Bushing Size SDS , Bushing Type QD , SDSX22MM , Installation Torque 108.0 in_POUND, Integral Key - No , Keyway Size 6 X 6 , Material Sintered Steel , Number of Bolts 3.0 , Rated Torque 5000.0 in_POUND, Shaft Attachment Finished Bore