For today's society , the family impact drill is an indispensable part because it can use the versatile , multi-functional operation .
Impact Drill : Impact Drill impact mechanism with houndstooth style and ball type two hand drill . Ball -type impact drills from the moving plate , fixing , ball and other components. Moving plate connected by a threaded spindle , and with 12 balls ; fixing pin fixed to the chassis use , and with four balls , the thrust under the action of 12 balls along the four ball rolling , carbide drill bit to make a rotating impact exercise, in brick, block , concrete and other brittle materials drilling. Disengage the pin , so that the follower plate fixing rotate together , not an impact drill can be used for general purposes.
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