These can be grabbed and used as weapons. Spider-bots are great for creating explosions when thrown at others.
You can physically grab, dismantle, and throw robots. Smacking them with your guns or their own limbs sends them flying further than a standard punch. Robo Recall
When you destroy a robot, it drops chips. Teleport near their bodies within ~35 seconds to collect these and increase your multiplier. These can be grabbed and used as weapons