how to make a drill press machine at home using dc motor 

How to make a powerful drill press machine with a 775 DC motor that can drill a metal.
Most people use DC motor to make drill press without using a deceleration structure. The high speed but low torque can only drill holes in wood and can't drill holes in metal. In this video, I show you how to make a powerful Drilling machine to drill metal.
Materials and buy links:
775 DC motor : bit.ly/2TN3F5H
B10 drill chuck or B12 drill chuck : bit.ly/2Qt9oOu
Drill chuck connector(B10-8MM or B12-8MM) : bit.ly/37cKb0B
8MM bearing * 2 : bit.ly/2OfUsRa
8mm Steel shaft : bit.ly/2P5FLDK
10inch Drawer Slides ： bit.ly/2NU9nBt or bit.ly/2CPSNN1
XL timing pulley 10 Teeth bore 5mm : bit.ly/37cAsHZ
XL timing pulley 30 Teeth bore 8mm : bit.ly/2NT93D2
XL timing belt(100) : bit.ly/2rHtxpG
12V-24V 96W DC Power Adapter : bit.ly/2lF5aX6 or bit.ly/2QpFxGT
Switch : bit.ly/2LkPwZZ
Dc5.5 socket : bit.ly/2nrJChA
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