HSS GEAR HOBS for Spur and Helical Gears in Machine Relieved and Ground Relieved profiles are available with Bore and Keyway or with End Drive Slot in Single and Multi Start pitches in M2 and M35 grades. In addition to above, the following tools are also supplied as per customer’s specifications. HSS Involute Gear Cutters Gear Shaper Cutters Chain Sprocket Hobs Spline Hobs and Timing Pulley Hobs PUSH & PULL TYPE BROACHES are also available in M2 grade in Splines, Internal Hole and Keyway profiles. Brands available are: