Down-the-hole hammer GP 500 - DHD350 SPIBO

The GP500 is a heavy-duty hammer that can drill under a water column and is typically used for water well and
Geothermal applications. It has a choke function that allows the air flow through the hammer to be adjusted.

Information:

• Size: 140mm - 165mm (5 1/2 - 6 1/2")
• Shaft: Halco DHD 350
• Air pressure: 100 - 435 psi (7 - 30 bar)
• Airflow: 180 - 1440 cfm (5097 - 40776 l/min)
• Thread connection: 3 1/2" API Reg Pin Up
• Outside diameter: 126 mm (4.96")
• Wrench flat: 66 mm (64.750")
• Max. weight on bit: 900 kg
• Min. bit diameter: 140 mm
• Usable length: 1074mm (42.3")
• Weight: 60kg