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API 7-1 AISI 4145h Hardfacing Integral Near Bit Drilling Stabilizer
2025-04-13
introduction 4130
20''
Customized
AISI, API
Taper-length
Center Drill Bit
High Carbon Steel
Well Drilling
Drilling Tool
Forging
High Performance
Well Drilling
API
Hf1000, Hf2000, Hf3000, Hf4000, Hf5000
LONGYUE
Wooden Case
18''
Hebei, China
8431431000
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