3 Inch PDC Drag Drilling Bit 3 Wing 4 Wing 5 Wing Water Well Drilling Bits PDC Drill Bit

=== Base Info ===

• Model NO.：L-00461
• Type：Magnetic Drill
• Usage：Well Drilling
• Certification：ISO9001
• Color：Gold or as Customer Need
• Material：Carbon Steel, Diamond
• Number of Blade：Half or Whole 3-Wing
• Use：Coal Mining or Water Well
• Surface Treatment：Polishing
• Trademark：zlong
• Transport Package：10,PCS
• Specification：75mm
• Origin：Xi′an
• HS Code：6101961467

=== Description ===