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  • What are the categories of electric hand drills?

    source:Huali Electrical Manufacturing Co., Ltdrelease time:2020-06-20

    According to the structure, it can be divided into single speed drilling and multi speed forward and reverse drilling.

    According to the shape of the handle, it can be divided into two sides handle, gun handle, back bracket, ring handle, etc.

    According to the scope of use of electric hand drill, it can be divided into standard type, heavy type and light type. The output power and torque of heavy electric drill are relatively large, which are mainly used for drilling of excellent steel and other kinds of steel with high drilling efficiency and can exert large axial force; the output power and torque of light electric drill are small, which are mainly used for drilling of non-ferrous metal, cast iron, plastic and other materials, and common steel can also be used, but not too large axial force. The performance and application range of standard electric drill are between heavy and light.

    According to the different types of power supply, there are single-phase series excitation electric drill, DC electric drill, three-phase alternating current drill, etc. The power supply of DC electric drill generally uses rechargeable battery, and now DC electric drill has been widely used.