Keyless Rigid Coupling Coupling Length 104.1 mm Coupling Material Carbon Steel Included Screws 169.9 mm For Motion Type 10 Zero Backlash Metric Screw Material 76 mm Maximum Speed 76 mm Resistance Properties Round Maximum Torque 94 mm Fastener Tightening Torque 15 685 N-m Outside Diameter Oil Dipped Overhung Load Capacity +0.000 mm / -0.152 mm Bore Type 100 N-m System of Measurement Metric Length through Bore (10) Locking Screw Screw Length 80 mm Number of Locking Screws M12