North Africa 20 Inch TCI Tricone Bits for Deep Well Drilling

=== Base Info ===

• Model NO.：20 Inch
• Color：Golden or as You Wish
• Jet Nozzle Counts：3
• Applicable Formation：Hard Rocks, Such as Limestone, Dolomite, Marble
• IADC Code：637
• Guage Protection：Multiple Guages
• API Reg Pin：7 5,8 Inch
• Bit Size：20 Inch or 508.00 mm
• Trademark：superior
• Transport Package：Wooden,Plywood Case
• Specification：20 Inch IADC637
• Origin：China
• HS Code：8207191000

=== Description ===