Hole Drilling TCI 9 1/2 Inch Tricone Bit in Iron Mining

=== Base Info ===

• Model NO.：9 1,2 Inch
• Color：Golden or as You Wish
• Bearing Type：Journal Bearing
• API Reg Pin：6 5,8 Inch
• IADC：537
• Nozzle No.：3 Side Jet Nozzles
• Trademark：superior
• Transport Package：Wooden,Plywood Case
• Specification：Tungsten Carbide Inserts
• Origin：Hejian, China
• HS Code：8207191

=== Description ===