Tungsten Carbide Button Grades

As for the main national related brands, YK02 and YK10 own the hardness of 90.1and 88.8. They are mainly used for medium and small size carbide ball tooth for inlay system cone drill and impact drill, drilling in soft and hard rock, but it can also be used for other drilling alloy sheet; YK20.1 and YRK10 own the hardness of 88.8 and 88.5. They are mainly not only used as an alloy ball tooth for inlay system cone drill and impact drill column gear, medium-hard and hard rock drilling, but can also be used for other drilling alloy sheet; YG11C and YK50 own the hardness of 87.9 and 85. They are mainly used as an alloy ball tooth for inlay system cone drill and impact drill column gear, medium-hard and hard rock drilling, but can also be used for other drilling alloy sheet.

YG4C’s hardness is 90 and Mainly used for cutting soft and hard materials in the impact drill.

YG6’s hardness is 90.5 and is used as an electric drill, coal cutter, blade oil cone bit and button bits. YG8’s hardness is 89.5 and is used as a core drill, electric drill coal, coal cutter, drill and blade oil cone ball tooth bit. YG8C’s hardness is 88.5 and is mainly used for medium and small percussion drill bit of ball gear, and a rotation exploration drill pad.  YG11C’s hardness is 86.5 and is most used percussion drill bit and drill bit cutters for cutting high hardness of the material sphere teeth. YG13C’s hardness is 86.5 and is    Mainly used in rotary percussion drill bit for cutting high hardness of the material sphere teeth. YG15C’s hardness is 85.5 and is most used oil cone drill in hard rock and soft cut of the cutting tool.


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