Check the listing for details. Motion Constrained MCSC Flange / Hub Mount Shaft Collar Couplings. Condition: New. Listed at 16.79 USD. Home POLICIES CONTACT US ABOUT ME FEEDBACK view all items Menu Home POLICIES CONTACT US ABOUT ME FEEDBACK view all items Categories Ball Screws / Shaft Couplings Cable Chains Cables for Automation Cameras for Automation Contactors/Relays Control Systems and PLCs Heating/Cooling for Automation Hydraulics Gear Reducers / Gear Heads Lab/Analytical Equipment Lasers Linear Actuators Linear Guides Liquid Valves/Flow Controls Manufacturing / Metalworking Motors For Automation Optics Power Supplies/Circuit Breaker Pneumatic Actuators /Cylinders Pneumatic Valves Safety Hardware for Automation Sensors Servo Motors / Servo Drives Stepper Motors /Stepper Drives Switches For Automation Transformers Vaccum Equipment Wiring for Automation Motion Constrained MCSC Flange / Hub Mount Shaft Collar Couplings 1/4" Drawings"> Model Bore Mounting Holes Construction Mounting Bolt Hole Circle McMaster Equivalent MCSC-1/4 1/4" 4-40 Tapped Threads Black Oxide C1117 Steel 1-5/32" 9684T27 MCSC-3/8 3/8" 6-32 Tapped Threads Black Oxide C1117 Steel 1-3/8" 9684T28 MCSC-1/2 1/2" 8-32 Tapped ThreadS Black Oxide C1117 Steel 1.875" 9684T1 MCSC-3/4 3/4" 1/4"-20 Tapped Threads Black Oxide C1117 Steel 2-1/2" 9684T3 MCSC-1 1" 1/4"-28 Tapped Threads Black Oxide C1117 Steel 2-3/4" 9684T4 Here is a selection of Motion Constrained flange mount shaft collars/shaft couplers for bores ranging from 1/4" to 3/4" bore. These are custom machined for our internal applications but are equivalent to McMaster products (see table above) with the exception of having all tapped threads and at a much lower price. Categories Ball Screws / Shaft Couplings Cable Chains Cables for Automation Cameras for Automation Contactors/Relays Control Systems and PLCs Heating/Cooling for Automation Hydraulics Gear Reducers / Gear Heads Lab/Analytical Equipment Lasers Linear Actuators Linear Guides Liquid Valves/Flow Controls Manufacturing / Metalworking Motors For Automation Optics Power Supplies/Circuit Breaker Pneumatic Actuators /Cylinders Pneumatic Valves Safety Hardware for Automation Sensors Servo Motors / Servo Drives Stepper Motors /Stepper Drives Switches For Automation Transformers Vaccum Equipment Wiring for Automation