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How to choose an electric drill

by:WORKSITE     2020-06-10
Electric drills are one of the most commonly used tools in handheld power tools. General hardware stores range from professional hypermarkets to small roadside hardware stores. Electric drills are basically sold. However, if you want to buy a satisfactory electric drill, you still need to work hard. After all, the market is full of fish and dragons. If you accidentally buy fake and inferior products. The specific purchase skills are as follows: Check the 3C mark Electric drill products are compulsory certification products stipulated by the CNCA, so when purchasing, you should first check whether there is a 3C mark on the outer packaging of the tool or on the nameplate. You can also go to the website of the CNCA to check the tool’s Whether the 3C certificate is currently valid, the parameters on the nameplate and manual should be consistent with the 3C certificate. Observe the appearance of the electric drill The appearance of the electric drill should be uniform in color, no obvious shadows and dents on the surface of the plastic parts, the assembly misalignment between the shell parts ≤0.5mm, the aluminum casting paint is smooth and beautiful without defects, and the surface of the whole machine should be free of oil and stains. When held by hand, the feel is good, the switch button is normal, and the length of the cable should generally not be less than 2 meters. ?Run electric drill check Run the electric drill for one minute with power on. Hold it with your hand during operation. No abnormal vibrations should be felt in your hand. Observe the reversing sparks. The reversing sparks should not exceed level 3/2, generally from the air inlet of the tool. From inside, there should be no obvious arc on the surface of the commutator. During operation, there should be no abnormal noise. ?Electric drill brand selection When purchasing electric drills, you should choose big brands with better reputation and more influence. Although the price is relatively high, these big brands have strong technical force, strict quality control, and regular after-sales service. In addition, users with strong purchasing power can also purchase some international brand tools.
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