Gear Cutting Tools, Gear Cutting Hobs, Spline cutting Hob Cutter and Chain Sprocket Hob Cutter. Hobs are made from selected High Quality High Speed Steel grades. With all manufacturing operations like Machining, Profile Releiving, Heat-treatment, Grinding and Sharpening are done with world class machinery and equipment. Roller chain sprocket hobs Worm wheel hobs Spline hobs Chamfer hobs Spur and helical gear hobs Straight side spline hobs Involute spline hobs Serration hobs Semitopping gear hobs