hand core drill machine: 1) light, easy operate 2) fast drill 3) best quality, low price 4) made as required hand core drill machine:Our machine is suitable for wet &dry ,stone,Brick, Block and Masonry,concrete,asphalt,fast and smooth cutting,low electricity& price.specifications as below:TypeZ1Z-CF03-80Z1Z-CF04-90Z1Z-CF-102Z1Z-CF-110AZ1Z-CF-130Z1Z-CF-160Max. Drilling Dia. ...