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Tungsten Carbide Material Tungsten Carbide Tipped Drill Bits 42mm Coal Auger Drill Bits

2025-04-13 introduction 4090
42mm coal auger drill bits
Customized
AISI
12mm Shank
Coal Mine Support Equipment
Tungsten Carbide
Coal Milling
Many Country
Coal Machinery
42mm
KATO
Standard Wooden Boxes or Pails
ISO9001 SGS
Shandong Province China
82071990
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