SD Series High Pressure DTH Hammers for Drilling Equipment

=== Base Info ===

• Model NO.：Jygj-002
• Surface Treatment：Polishing
• Manufacturing Process：Stamping
• Material：Cast Iron
• Transport Package：Wooden Box
• Specification：3 Inch to 20 Inch
• Origin：China
• HS Code：8402200000

=== Description ===