4001 Series Clamping Servo to Shaft Coupler (24 Tooth Spline to 1/4
4001 Series Clamping Servo to Shaft Coupler (24 Tooth Spline to 1/4,440-40IPX Apex #40 Torx Plus Bit, 1/4'' Hex Insert,4001 Series Clamping Servo to Shaft Coupler (24 Tooth Spline to 1/4,1-1/4 14T x 6 Partial Splined Shaft G & G Mfg 106A2014,Involute Spline - Maximum Effective Length calculation - Autodesk Community