Home Waterjet Cutting Waterjet Cutting Metal Supermarkets uses Water Jet equipment to produce precise metal parts of any shape or size. Waterjet Cutting equipment expels water and an abrasive substance such as Garnet at extremely high-pressures. This method is extremely precise and is often use to cut machine parts or pieces made of metals that might be highly sensitive to high temperatures used through other methods. Waterjet service is offered by many Metal Supermarkets stores. Visit, call or email one of our 7 locations to learn more about our Waterjet Cutting services.