Microdrilling refers to the drilling of holes less than 0.5 mm. Drilling of holes at this small diameter presents greater problems since coolant fed drills cannot be used and high spindle speeds are required.
The National Jet Company is one of the world's leading experts on manufacturer of microscopic holes by means of mechanical drilling. Using specialized drilling equipment, National Jet has created holes consistently and accurately down to the level of 0.0002 inches. To put that into perspectives a human hair is approximately 0.004 inches in diameter. One of the well known advertisements for National Jet shows a human hair under a microsope with a hole drilled through it using a National Jet Drilling station.
The National Jet Company is one of the world's leading experts on manufacturer of microscopic holes by means of mechanical drilling. Using specialized drilling equipment, National Jet has created holes consistently and accurately down to the level of 0.0002 inches. To put that into perspectives a human hair is approximately 0.004 inches in diameter. One of the well known advertisements for National Jet shows a human hair under a microsope with a hole drilled through it using a National Jet Drilling station.
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