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Lower Pressure Parabolic Shape Carbide Button Bits High Wear Resistance

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Lower Pressure Parabolic Shape Carbide Button Bits High Wear Resistance

Description of carbide parabolic shape button

Grade	Density (g/cm3)	Hardness (HRA)	T.R.S (MPa)	Performance&application recommended
MK4	15.1	90.0	1800	Mainly used as small buttons for percussion bits to cut soft and medium hard formations
MK6	14.9	90.5	2600	For coring crowns,electric coal drill bits,coal cutting picks,oil cone bits and scraping knife bits,used in geological prospecting,coal mining and oil well boring
MK8	14.7	89.8	2800	Suitable 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	89.0	2700	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
MK15	14.6	88.0	2750	Suitable to strips,conical buttons for rotary percussion-resistant,geological prospecting buttons,cut soft and medium hard formations

Type of carbide parabolic shape button

Application of carbide parabolic shape button

Parabollic/Semi-Ballistic Button are usually used as gauge buttons and front buttons of DTH Bits,

suitable for medium abrasive and hard formations.

Product Tags:

carbide button bit

Company Info.

Zhuzhou Mingri Cemented Carbide Co., Ltd.

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