Hot Sale Coal Mining 56mm, 65mm, 75mm, 94mm, 113mm, 133mm, 153mm Matrix Body PDC Non-Core Drill Bit

=== Base Info ===

• Model NO.：L-0043
• Type：Mini Drill
• Usage：Well Drilling
• Certification：ISO9001
• Color：Gold or as Customer Need
• Material：Carbon Steel, Diamond
• Use：Coal Mining or Water Well
• Surface Treatment：Polishing
• Advantage：Long Working Life
• Feature：Fast Working
• Trademark：zlong
• Transport Package：10,PCS
• Specification：75mm
• Origin：Xi′an
• HS Code：6101961467

=== Description ===