These Drill Bits 1.2mm basic drill bits are made from high speed steel that meets or exceeds the federal specifications for industrial ratings. They are rated for drilling in Printed Circuit Board. Comes with black oxide finish and index.(High Speed Steel) drill bits Drill Bits 1.2mm , often sold in hobbyist shops, are not ideal for drilling PCBs (Printed Circuit Boards). HSS drill bits blunt quickly, especially when drilling fibre-glass substrate PCB. They can also flex when drilling through multiple layers, and so drill off-centre.A Carbide Drill Bit (CDB) is far less prone to these problems. The drill material is much harder and will stay sharper for longer. With the hardness, comes a brittleness, and they require to be treated with more care. They should not be dropped, they are likely to shatter, and they are generally not suitable for hand drills, as any flexing will cause the bit to break. Carbide drill bits should be used with a sturdy drill press. Safety goggles and face mask should be worn at all times when drilling.The Carbide Drill Bits supplied by Kinsten come with the standard 1/8″ shank to suit many drill presses and automatic drilling machines.Fabricating your own custom printed circuit board? Don’t forget the drill bits!
Selecting the proper sized drill bit when making a PCB is an important step in ensuring a reliable and long lasting circuit. Vetco stocks only high quality high-speed steel jobber drill bits. Each package contains 10 drill bits.
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