Welding hard alloy coal drill bit from Zhuzhou huijin
Model Number: drill-#0648
Brand Name: ZZHJ
Key Specifications/Special Features:
Welding hard alloy coal drill bit Product advantages:1. Carbide button description: Grades:YG6/YG8/YG8C/YG11C/YG13 Color: gray Features of tungsten cemented carbide...
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