Diamond Core/PDC Drill Drilling Bit for Tunnel Ventilation, Exhaust Gas

=== Base Info ===

• Model NO.：L-00368
• 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
• Funcation：Geology, Oil, Coal Drilling
• Trademark：ZLONG
• Transport Package：10,PCS
• Specification：154mm
• Origin：Xi′an
• HS Code：6101961467

=== Description ===