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20pcs Double cut heads engraving bits, used for deburring, edge breaking, plastering, weld seam processing and surface treatment. Material: Tungsten Carbide, Shank diameter: 3 mm(1/8 inch), Cutting edge diameter: 3 mm(1/8 inch), Total length: 38mm Used for machining cast iron, steel, carbon steel, alloy steel, stainless steel, copper, aluminum and other metal products. The machining hardness can reach to HRC70. Also can be used for machining marble, jade, bone and other nonmetal products. Generally use with handheld electric or pneumatic tool drive (can also be used in machine tool). The speed of the electric or pneumatic tools usually is 6000-50000 revolutions per minute., Manufacturer: Gasea
20pcs Double cut heads engraving bits, used for deburring, edge breaking, plastering, weld seam processing and surface treatment. Material: Tungsten Carbide, Shank diameter: 3 mm(1/8 inch), Cutting edge diameter: 3 mm(1/8 inch), Total length: 38mm Used for machining cast iron, steel, carbon steel, alloy steel, stainless steel, copper, aluminum and other metal products. The machining hardness can reach to HRC70. Also can be used for machining marble, jade, bone and other nonmetal products. Generally use with handheld electric or pneumatic tool drive (can also be used in machine tool). The speed of the electric or pneumatic tools usually is 6000-50000 revolutions per minute., Manufacturer: Gasea
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