PDC Drill Bit for Coal Mine

=== Base Info ===

• Model NO.：D1 2 wings of 1,2 PDC
• Type：Mini Drill
• Usage：Metal Drilling
• Certification：ISO
• Trademark：TIANHE
• Transport Package：Polystyrene Foam Box
• Specification：2 wings of 1,2 PDC
• Origin：China
• HS Code：8207199000

=== Description ===