Drill Bit
The skirt body using the material of 45CrNiMnV(Chromium, Nickel, Manganese, Vanadium)alloy steel and 710 alloy steel.
Drill Bit
The skirt body using the material of 45CrNiMnV(Chromium, Nickel, Manganese, Vanadium)alloy steel and 710 alloy steel.
Drill Bit