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Zhuzhou Mingri Cemented Carbide Co., Ltd.
Tungsten Carbide Die;Tungsten Carbide Strips;Tungsten Carbide Plate
 
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Ground Cemented Carbide Shield Cutter TipesFor Rock Drilling

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Title： Ground Cemented Carbide Shield Cutter TipesFor Rock Drilling 
Brand： -
Model： -
Unit price： Negotiable
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Quantity： Negotiable
Delivery date： Since the payment date Days delivery
Contact： Teresa Chou （Ms.）    
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Ground Cemented Carbide Shield Cutter TipesFor Rock Drilling

 

 

Description:

 

A tunnel boring machine (TBM) is a machine used to excavate tunnels with a circular cross section 

through a variety of soil and rock strata.  There have a very big circle blade in the front of tunnel 

boring machine equipped with various kinds of cutters, in order to promote stable and longer lasting life

 of application, we have research and developed special tungsten carbide materials suited to your 

application.The TBM technology is mainly used in underground ming and traffic tunnelling like metro,

 railway and road tunneling.

 

 

Grade and Applications:

Other grades may be offered by customers' requirements

Grade Density T.R.S Hardness  Performance & application recommended
g/cm3 MPα HRA
MK4 15.1 1800 90

Mainly used as small buttons for percussion bits to cut soft and

 medium hard formations.
MK6 14.9 2000 90.5

For coring crowns, electric coal drill bits, coal cutting picks, oil cone

 bits and scraping knife bits, usd in geological prospecting, coal mining

and oil well boring.
MK8 14.7 2400 89.7

For coring crowns, electric coal drill bits, coal cutting picks, cone

drill bits and scraping knife bits, used in geological prospecting, coal

mining and oil well boring.
MK10 14.7 2450 88.5

Mostly used as the buttons of small and mediumsized percussion bits

 and as the inserts of rotary prospecting bits to cut soft and medium

 hard formations.
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