Tungsten Carbide Microdrill Bit

tungsten carbide microdrill bit picture

Tungsten carbide microdrill bit refers to a type of tungsten carbide drill bits having a diameter of less than 3.175 mm. In order to make the microdrill bit have an effective drilling effect, a series of factors must be considered: such as various elements of drill itself, processing parameters, hole depth, installation completeness, and the structure of workpiece.

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Tungsten Carbide Hole Saw

tungsten carbide hole saw picture

Tungsten carbide hole saw is a special drill bit for processing circular holes in modern industry or engineering. The hole saw is attached to a drill, and used to cut large holes in wood, plastic, plaster, organic glass, or metals such as copper, iron, and stainless steel.

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Tungsten Carbide Masonry Drill

tungsten carbide masonry drill picture

Tungsten carbide masonry drill is used to make holes in concrete and other hard, brittle materials, with characteristics of high precision, good wear resistance and high processing efficiency, and is often used in building construction and in some home improvement projects.

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Tungsten Carbide PCB Drill

tungsten carbide PCB drill picture

Tungsten carbide PCB drill is a tungsten carbide drill bit used for PCB drilling machine. Wherein, PCB, the short for Printed Circuit Board, is an important electronic component. Electrical or electronic components are generally soldered onto the PCB to both electrically connect and mechanically fasten them to it. The material of such a drill bit - tungsten carbide - has the properties of high rigidity, high strength, high hardness, high wear resistance, high hole position accuracy, good bending resistance, good breakage resistance, good hole wall quality and long life.

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Tungsten Carbide Flowdrill

tungsten carbide flowdrill picture

Tungsten carbide flowdrill is environmentally friendly, recyclable and solid to drill steel, stainless steel, copper, aluminum, brass and other metals. Such a flowdrill provides strong threaded connections for metric, imperial and gas threads.

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Tungsten Carbide Twist Drill

tungsten carbide twist drill picture

Tungsten carbide twist drill is an excellent option as it starts drilling on contact for clean, accurate holes and are unlikely to lock-up on breakthrough. Such a solid twist drill can drill through a variety of materials, including plastic, acrylic, wood, aluminum, iron, copper, stainless steel, steel and other materials. It is suitable for electric hand drill, cordless drill, bench drill and magnetic drill. Here are some characteristics of tungsten carbide twist drill.

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Thermal and Mechanochemical Decomposition of Ammonium Paratungstate (APT)

APT Image

Ammonium paratungstate (APT) is the general starting material used in the manufacturing of tungsten products. For instance, tungsten trioxide (WO3) is obtained by thermal decomposition of APT. WO3 has been applied as catalysts, it is also a common starting material for preparation of tungsten metal powder. The application fields of tungsten metal powder include lightings, electronics, and high-temperature materials.

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Low-temperature Hydrothermal Reduction of Ammonium Paratungstate to Ammonium Tungsten Bronze

Tungsten Bronze Image

Hydrothermal synthesis has become a popular and important technique in solid state chemistry. It allows for the formation of novel compounds that cannot be formed by traditional high-temperature solid state reactions. With this technique, ammonium paratungstate can be reduced to ammonium tungsten bronze, at a lower temperature of 200 °C in nonaqueous solvents.

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A New Solid–Gas Phase Reaction to Prepare Ammonium Paratungstate(APT)

SEM images of the precursor oxides produced from APT-2

The ammonium paratungstate (APT) is the most important starting material in the tungsten industry, where usually its most stable APTÂ4H2O form is used. Tungsten compounds such as, tungsten oxides, tungsten carbides or tungsten metal can be prepared with APT.  All these tungsten products have important applications in a many fields. Among which, tungsten oxides are widely used in catalysts, gas sensors, and photocatalysts. Tungsten carbide products have been used as catalysts as well, but another important application field they shared is being the hard component in cutting and drilling tools.

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Tungsten Carbide Graver

tungsten carbide graver picture

Tungsten carbide graver is also known as cemented carbide graver, which has higher hardness, better wear resistance and longer service life than the commonly used carbon steel graver and white steel graver. Wherein, carbon steel graver is generally suitable for beginners as it has low hardness and strength.

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