Cotter Pins Click the cotter pin point object from the Hardware Inch/Metric tool set to insert a cotter pin. Parameter Description Cotter Pin Type Select square cut or hammer lock Nominal Size Select the nominal size in inches Grip Length Enter the grip length Length Enter the pin length Bend Angle (Top)/(Bottom) Enter a bend angle in degrees for the top and/or bottom section of the cotter pin View Select the 2D view