Piloting Drill Bit 12 1/4 Inch Tungsten Carbide Inserts Cone Bit

=== Base Info ===

• Model NO.：12 1,4 Inch
• Color：Golden or as You Wish
• API Reg Pin：6 5,8 Inch
• Bearing Type：Journal Bearing
• Size：12 1,4 Inch (311.2 mm)
• Trademark：superior
• Transport Package：Wooden Case
• Specification：Tungsten Carbide Insert
• Origin：Hejian, China
• HS Code：8431432000

=== Description ===