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different models of oil well high quality API Tri-cone bit Special tools for oil drilling
- Manufacturer: YAOU
Products Description 8 1/2 S280G8 IADC code M814. TFA 1.25in 2 (8.06cm 2 ) gauge length 12.0"(30.84cm) TCIDIA. API pin connection 4-1/2" API Reg. Box recommended parameter hydraulic flow rate 125-250 gpm rotary s...
$1,000 USDJiangsu, China