Parallel style cutter is with continuous width of cutting edge throughout length of tool bit Commonly used on a lathe, a milling machine fly cutter or a metal shaper; Ideal for milling, turning, parting, engraving, drilling, punching, etc. Can be used to process a variety of carving knives, (engraving rubber, bamboo, wood, stone) turning tools, pedicure knives and other cutting tools, can also be used for lathes, semi-automatic and automatic lathes, the outer circle, end face, inner hole, thread. Processing of planes, steps, grooves and cutting sequences. TIP Please ensure your requirements are met through our description. Please shut down power before your replacement. Please consult professionals to use this product. Hegebeck Lathe Turning Tool Bit Hardness (HRC): 60±1，66-68，60-62 Material: High Speed Steel.