Electric Drill: Only has the rotation way, is suitable in the need very small force material on the drilling, such as cork, the metal, the brick, the ceramic tile and so on, is only the grainy motor drives the drive gear to enlarge the bit to rotate the strength, causes the drill bit in the metal, the wood and so on
Electric Hammer: Depending on the rotation and thrashing, the single hammer is very high and has a frequency of 1000 to 3000 per minute, which can produce a significant force, which requires minimal pressure to drill into hard materials such as stone and concrete, especially the relatively hard concrete, compared to impact drills.
The Difference Between Electric Drills And Hammers
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Precautions for drill use
The drill should be packed in a special packaging box to avoid vibration collision with each other.When in use, remove the drill from the box should be immediat··· -
How to choose a good drill bit
Slect drill bits according to different applications:Twist drill general twist drill made of high-speed steel; A deep hole drill usually refers to a tool for ma··· -
What kinds of drill bits are there?
According to the structure classification can be divided intoThe head, body and shank of the integrated bit are made of the same material.The top of the end wel··· -
Drill diameter specification is how many electric drill drill specifications size complete
Twist drill specifications:Φ Φ 1.0, 2.5, 1.5, 2.0, Φ Φ Φ Φ 3.0, 3.2, 3.3, 3.5 and 3.8, Φ Φ Φ Φ 4.0, 4.2, 4.5 and 4.8, Φ Φ Φ Φ 5.5, 5.0, 5.2, Φ Φ···
