Gudel India Pvt. Ltd. Offers FK Type Bevel Gear Units for Heavy Loads. Gudel India Pvt. Ltd. Designs, develops and supplies various precision handling solutions and robotics systems. In FK Type Bevel Gear Units for Heavy Loads, the housing is made from cast iron GG 40. It is machined on all faces and has universal mounting holes. The bevel gears are in steel 34Cr4 helical teeth and hardened.