The HSS model, the HSSe-Co 8 model, the HSS-G model, the HM model, and the TC model, are manufactured by Ruko, and are hole saws that can be used in a number of tools such as hand drills and pillar drills. The hole saws can be used in diverse elements which includes cast steel, non-ferrous metals, light metals, plastics, reinforced fabrics, plaster boards and light building boards. They can also be used in steel of up to 800 N/mm² in strength.
Holse saws that are tungsten carbide-tipped can be use in a number of tools such as hand drills and pillar drills. They are suitable for use in stainless steel and acid-resistant steel that measures up to 2 mm in thickness.