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The impact drill is mainly suitable for impact drilling on concrete floors, walls, bricks, stones, wood planks and multi-layer materials; in addition, it can also be used for dr...

Electric impact drill refers to a power tool that mainly uses rotary cutting and also has an impact mechanism that relies on the operator's thrust to produce impact force. It is...

A wrench is a commonly used installation and removal tool. It is a hand tool that uses the principle of leverage to turn bolts, screws, nuts and other threaded fastening bolts o...

Labor protection gloves: labor protection gloves, the oldest kind of gloves known to people, the first layer of cowhide, goat skin, pigskin and sheepskin, gloves are made of the...

The spirit level is a measuring instrument that uses the principle of the level of the liquid level to directly display the angular displacement with the level bubble, and measu...

The tape measure spring is a component similar in shape to a steel tape measure, and is a single-layer open cylindrical shell. A hinge structure can be designed and developed by...

The "core" of the tape measure has a small piece of steel in it, which acts like a spring. You can also think of it this way, it is the one on the trigger of the toy pistol, the...

A tape measure is a commonly used tool in daily life. What everyone often sees is the steel tape measure, which is commonly used in construction and decoration, and is also one ...

A spring dynamometer is a tool for measuring the magnitude of force. First of all, any measurement is a process of comparing a certain physical quantity with a standard (ie, uni...