Whether you're a loyal personit-Electric Drill/drive is probably one of the most practical, versatile and simple tools, or just a basic tool is needed to solve temporary residential repairsto-use-The tools you should buy.Unlike in history, today's exercises offer versatile power in smaller sizes and weightsweight design.Due to the advantages of cordless, these power tools are more convenient to use than ever since they can be provided anytime, anywhere.With respect to drill bits and accessories, power drill bits can be drilled in wood, plastic, metal and concrete;Drive screws or bolts;It can even be used to polish, saw or mix paint.Power drill bits related to Chuck size have various sizes.The smallest size is 1/4, which is usually the cheapest, with a lot of limitations in the array of its drilling options.The most popular size is 3/8, which means the drill can hold 3/8-Inch diameter drill.A 1/2-The inch model can drill larger holes compared to 3/8Inch drill, also more suitable for heavier-duty jobs.The drill is powered by one of two sources: the power of any cable drill, or even the rechargeable battery power to obtain a cordless drill.The Wired electric drill is measured in amps, and the higher amps provide more power.This drill can only be plugged into a standard home wall socket once.The advantage is that power time is unlimited.You can use the drill indefinitely because the power outlet provides you with a way to continuously get power-Obviously, unless there is a power outage.The negative effect is that the wire can be obtained in the form of work, in addition, the portability of the drill bit is fixed in the position of the wall socket and the cycle of the wire or the whole weightThe working extension cord connected to the drill bit.Cordless drill can be found in a wide range of 9 volts.6-volt to 36-volt tools.More difficult work can be solved using higher voltage models-Even more than cable TV.Considering that the drill bit is powered by a portable battery pack, the advantage is that it may go wherever you go.The down-On the other hand, the battery is running for a limited amount of time, which means that you have to charge the spare battery and have the option to use it continuously.Now almost all drill bits have different speeds and have the reverse function of separationThe second elimination of the screw or pulling the drill bit out of the opening.Most cordless drill also comes with two batteries to help you use one when charging another.Even so, there is a difference between different exercises, which makes one exercise more suitable for specific tasks than the other.Drill with lithium today-Ion batteries are usually more expensive than similar drill bits powered by NiCad batteries.However, given the longer running time, longer life span and the ability to have a longer cost, the increased cost may be definitely worth it.For similar voltages, the cost is usually much lowerElectric models may be more suitable.Replacing batteries on some models can also be costly, so ask before buying