How to buy domestic electric drill
Look what you do. Hand drill: only drilling operations on metal plastic wood, electric drill without impact function, so it can not drill drill drill to drill: the impact of 2 /, including flat drill drill function, also has the function of shock, the ordinary brick concrete drilling (impact drill by internal 2 the impact of gear collision friction block impact) hit the wall slowly, but can not penetrate walls, mainly suitable for family wall drilling installation (such as small pendant paintings mirror small pendant, towel and so on) is not suitable for wall drilling engineering
A Shanghai produced, very good, and later friends have not gone back; a few days ago I bought a Zhejiang produced "nine days" brand (R213D175 yuan), and spent the good. You may consider.
Suggest you buy impact drill. Impact drilling can be used to drill holes on the wall, to place expansion bolts, to install pendants, and to use drill bits for drilling ordinary wood and metal materials. The price is moderate and applicable. The disadvantage is that power is too small to punch through holes.
In accordance with the general electric power is divided into: hammer, impact drill and drill. Small drills also use alternating current power supplies and batteries.
