Used for machining holes on tube and shell heat exchangers in industries such as petroleum, chemical, and nuclear power plants.
Two
Used for drilling plate workpieces in steel structures such as buildings, bridges, and iron towers. Drilling of tube plates, baffle plates, and circular flanges in the boiler and petrochemical industries.
Three
Used for drilling, milling, grooving, chamfering, and milling various types of holes in pipe and flange parts.