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Piling Bits Rock Drill Bits for High Quality Hammer Large Size DTH Hammer
2025-04-13
introduction 4170
Various models
Customized
API
Jobber-length
Twist Drill Bit
Carbon Steel
Metal Drilling
174mm
Flat Face
2
6
3.2kg
DHD DRILL
Wooden Case
76mm-90mm
China
8207199000
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