Tungsten Carbide Bit

This type of bit uses tungsten-carbide as the cutting media. Tungsten-carbide does not possess the hardness of diamond and as such has a limited range of application as a core drilling cutting media. T.C bits are however a very cost-effective means of drilling softer unconsolidated formations.

Description

Tungsten Carbide Bit

 

This type of bit uses tungsten-carbide as the cutting media. Tungsten-carbide does not possess the hardness of diamond and as such has a limited range of application as a core drilling cutting media. T.C bits are however a very cost-effective means of drilling softer unconsolidated formations.

These bits are set with rectangular-shaped or octagonal-shaped or crushed tungsten-carbide elements that are physically embedded into the crown of the bit. The bit crown itself is composed of a tough, wear resistant metal-bond matrix material.

The application of this bit is primarily in geotechnical soil investigation or for core drilling in overburden layers that are mainly composed of clay, sand, gypsum or soft shale.

Regular T.C Core Bit

These bits are set with rectangular-shaped or Octagonal-shaped tungsten carbide elements that are physically embedded into the crown of the bit.The bit crown itself is composed of a tough,wear resistant metal-bond matrix material.

The application of this bit is primarily in geotechnical soil investigation or for core drilling in overburden layers that are mainly composed of clay,sand,gypsum or soft shale.

Broken Carbide Core Bit

The cutting media used in this type of bit is crushed tungsten-carbide that are bonded in a metallic alloy. This type of bit has more cutting edges than the regular T.C bit and as such have a wider range of application in some formations.

This bit is similar to imoregnated diamond bits in that the bit crown is composed of several layers of cutting media. The bit face regenerates itself with new cutting edges by wearing away the metallic alloy during operation to continually expose new layers of carbide-chips until the bit crown is consumed.

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