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490mm IADC 447 API 7-1 Factory Outlet Milled Tooth Mining Rock Well Drilling Bit 19-1/4 Inch Steel Tooth Tricone Roller Bit Ruishi Brand Oilfield Drilling Bits

2025-04-09 3980

  • 490mm IADC 447 API 7-1 Factory Outlet Milled Tooth Mining Rock Well Drilling Bit 19-1/4 Inch Steel Tooth Tricone Roller Bit Ruishi Brand Oilfield Drilling Bits

  • 398 views

Product Specifications

19-1/4inch
Customized
API
Taper-length
Center Drill Bit
High Carbon Steel
Well Drilling
3
Plain Bearing
Rubber
7-5/8" Reg
0.5-1.05
130-40
Ruishi
Plywood Box and Ad Required
19-1/4 inch
China, Cangzhou
820719
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