Taper Lock Bushing Bushing Type Taper Lock Bore Bushing Series 2012 Bore Diameter 1/2 in Length 1.25 in Bolt Circle Diameter 2.63 in Bolt Size Not Applicable System of Measurement Inch Fastener Tightening Torque Capacity 7 150 in-lb Flange Type Flangeless Flange Width Not Applicable For Shaft Type Keyed Includes (2) Set Screws Keyway Height 1/16 in Keyway Width 1/8 in Length Less Flange Not Applicable Material Steel Overall Diameter 2.75 in Taper 8 Degrees