[Drilling] stepped carefully protected and treated with and treasure!

Step ladder drill or drill known pagoda drill machining for automotive, aerospace, sheet metal processing, installation and maintenance of electrical and other industries, while products easy to carry to meet the high-altitude operations with hand drills and other tools.

Drilling steps in the application process should note the following:

⒈ when drilling steel, please ensure sufficient cooling capacity and the use of metal cutting fluid.
⒉ good drill steel and rail gap can improve the precision of drilling and drill life
⒊ please ensure smooth and clean magnetic base and workpiece.
When ⒋ drill sheet, to the workpiece reinforcement, drilling large workpieces, please ensure stable workpiece.
⒌ at the beginning and at the end of drilling, the feed rate should be reduced 1/3.
⒍ material when drilling large number of fine powder, such as iron, copper, etc., can not use the coolant, and the use of compressed air to help chip.
⒎ please clear the wound on the drill body iron, in order to ensure smooth chip evacuation.