Standard Mates Standard mates include angle, coincident, concentric, distance, lock, parallel, perpendicular, and tangent mates. Contents Angle Mate You can add an angle mate between the combinations shown below. Reference Entity for Angle Mates Reference entities help prevent angle mates from flipping unexpectedly when you open the assembly, drag the angle mate dimension, or switch configurations. Coincident Mate You can add coincident mates between the combinations shown below. Concentric Mate You can add concentric mates between the combinations shown below. Distance Mate You can add distance mates between the combinations shown below. Lock Mate A Lock mate maintains the position and orientation between two components. The components are fully constrained relative to each other. Parallel and Perpendicular Mates You can add parallel or perpendicular mates between the combinations shown below. Tangent Mate You can add tangent mates between the combinations shown below. Parent topicTypes of Mates Related concepts Advanced Mates Mechanical Mates