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Maintenance and operation of instruments
2022-11-22
As the electric drill needs ventilation and heat dissipation, there is a lot of dust inside the drill after lo...
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Welltoo How to select ?
2022-11-22
The electric drill is suitable for drilling on steel, wood and plastic, and is one of the most popular hand-he...
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Accessories and standards for electric drills
2022-11-22
Drill chuck is the main accessory of electric drill tools, accounting for 10% - 15% of the cost of electric dr...
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Welltoo explain the application
2022-11-22
It is widely applicable to the reinforcement of building beams, slabs, columns, walls, etc., and the installat...
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Welltoo explain drill bit classification
2022-11-22
Electric drills can be divided into three categories: electric hand drills, impact drills and hammer drills...
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Welltoo explanation of bit history
2022-11-22
The electric drill is a drilling machine using electricity as power. It is a conventional product among electr...
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