Electrical drilling machine

Electrical Drilling Machine

i) It is also used for making holes in the wooden and metal. ii) These machine is operated by electricity, so it is called electric drill machine.
iii) The speed of the machine is very high, hence it is very easy to make holes.
iv) The drill bits of different sizes can be changed with the help of jaw.

v) The drill bits m the jaw can be tightened or loosened with the key. These are of two types

1) Light duty electric drill machine.
2) Heavy duty electric drill machine

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