Electric drill is used to do dynamic drilling machines. Is the normal product in electric tool, is one of the biggest power tools of demand for products. Electric drill have only rotating way, particularly suitable for the need to a small force on the materials of drilling, such as cork, metal, brick, tile, etc. Electric drill simply common motor drives the drive gear increase the strength of drill bit rotation, bit on materials such as metal, wood scraping form scored.

Impact drill and impact on spin to work and can be used for natural stone or concrete. Impact drill work had adjusting knob in the drill chuck, with adjustable general hand electric drill and impact drill in two ways. But the impact drill is used on the inner shaft gear beating each other to realize the impact effect, the impact is far less than electric hammer. It can drill concrete, but the effect not beautiful.

Electric hammer drill is in the category, mainly used in the concrete. Floor. Drilling on the brick and stone. Specialized in metope, concrete, stone material to punch above, and multi-function electric hammer, adjust to the appropriate position with proper bit can replace ordinary electric drill, demolition hammer. Electric hammer is used at the bottom of the motor drives the two sets of gear structure, a set of implementation it drill, but another set of a piston, a hydraulic engine stroke, have a powerful impact, with the effect of the drill. Power can be split stone points of gold.

Electric pick is to make the motor to drive the rotate to jilt tuo do bounce form operation, make the pick a gouge on the ground effect. Transmission hydraulic pump picks is the use of air compressor driven by the gas pressure pump in the demolition hammer hammer to rebound, which picks gouge the effect of the ground, but the demolition hammer chisel, only your pick it doesn't turn.

If you often in the concrete wall drilling, so a two kilograms electric hammer is the best choice for you. Due to the cylinder structure of the electric hammer, pounding force is very high, and have the beat frequency of 1000 to 3000 per minute, can produce significant force, make you in the concrete hole on the wall easily. With a connecting rod and ordinary card electric drill head, it can also complete the hand electric drill function, achieve the goal of one machine. Speed electric hammer + connecting rod + 13 mm electric drill head, only a few hundred yuan, deserve to go up again to a number of commonly used bit, so most of your home decorate a task can be completed. Suitable for home installs, the most suitable to play to 10 mm in diameter and 10 mm below the hole.

If in addition to the concrete drilling, and drilling on wood and metal, give attention to two or morethings and drilling under 10 mm in concrete, can consider to impact drill, impact drill by helical gear impact, the impact hammer. But the price is low, like a 500 - watt percussion drill is a good choice.

Hand electric drill must have known, it is suitable for drilling on wood or iron plate, but don't count on it in the concrete wall drilling as much, to do that is easy to damage the machine, a hand electric drill is one of the most economic power tools, even if is imported, and only need hundreds of yuan. Electric drill is used to do dynamic drilling machines. Is the normal product in electric tool, is one of the biggest power tools of demand for products. Electric drill simply common motor drives the drive gear increase the strength of drill bit rotation, bit on materials such as metal, wood scraping form scored. Electric drill main specifications are 4, 6, 8, 10, 13, 16, 19, 23, 32, 38, 49 mm, number refers to the tensile strength of 390 n/was steel drill bit diameter.

Electric pick is to make the motor to drive the rotate to jilt tuo do bounce form operation, make the pick a gouge on the ground effect. Transmission hydraulic pump picks is the use of air compressor driven by the gas pressure pump in the demolition hammer hammer to rebound, which picks gouge the effect of the ground, but the demolition hammer chisel, only your pick it doesn't turn.

In a word, a drill to drill, just drill impact drill will also be able to have a little the effect of the hammer. Hammer drill to drill and higher hammer, demolition hammer hammer and then only do not drill.