The AirDrill 600 Series AD640 Reverse Circulation Hammer is the perfect size for any grade control/exploration drilling application. The hammer features a heavy duty piston case and minimal internal parts. Suited for drilling soft through to hard competent rock formations on low to high air pressures. With the advantage of a top loading inner tube, the time taken to replace worn components is greatly reduced compared to other hammer designs.
Any climate, any terrain, Schramm Hammers & Bits are manufactured to suit your drilling requirements. Delivering maximum performance, reliability and operating efficiency to give you the edge you need to stay ahead of the competition.

  • Hammer OD 121mm
  • Drill bit range 5in (127mm) to 5-1/2in (140mm)
  • A range of adaptors are available to suit drill rod thread connections
  • A lightweight hammer @ 66kgs
  • Top loading inner tube design
  • Piston case wear protection
  • Australian manufactured and field proven

 Click here to view the AD640 specifications sheet