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Coal cutter picks adopts YG11C alloy steel and 42 CrMo as the raw material and use special heat treatment to
process which makes the cutter bit has a high wear-resitance and impact toughness.
It can't produce high temperature sparks when it works, so it is good for safety of coal mining.
We also supply auger teeth, such as B47K22H, B47K19H, C21, C31, etc.
