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Schramm - Model AD600 Series -Reverse Circulation Hammers
FromSchramm, Inc.
Schramm AirDrill 600 Series Reverse Circulation Hammers are manufactured to suit your drilling requirements in any terrain. Maximize your performance and efficiency with Schramm Hammers & Bits.
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The AD600 Series has been comprehensively redesigned for maximum airflow, resulting in improved flushing at varying pressures. Each hammer is designed with minimal internal parts to avoid complications. With the advantage of a top loading inner tube, the time taken to replace worn components is greatly reduced compared to other hammer designs.
Suited for drilling through soft to hard competent rock formations on low to high air pressures.
- Hammer OD: 80mm
- Drill Bit Range: 3-11/32in (85mm) to 4in (102mm)
- Weight: 25.5kgs
Features
- A range of adaptors are available to suit most drill rod thread connections
- Top loading inner tube design
- Piston case wear protection
- Australian manufactured and field proven
D620
- Hammer OD: 95mm
- Drill Bit Range: 4in (102mm) to 4-1/2in (114mm)
- Weight: 39kgs
Features
- A range of adaptors are available to suit most drill rod thread connections
- Top loading inner tube design
- Piston case wear protection
- Australian manufactured and field proven
AD640
- Hammer OD: 121mm
- Drill Bit Range: 5in (127mm) to 5-1/2in (140mm)
- Weight: 66kgs
Features
- A range of adaptors are available to suit most drill rod thread connections
- Top loading inner tube design
- Piston case wear protection
- Australian manufactured and field proven
AD650
- Hammer OD: 125mm
- Drill Bit Range: 5-1/4in (133mm) to 5-3/4in (146mm)
- Weight: 60kgs
Features
- A range of adaptors are available to suit most drill rod thread connections
- Top loading inner tube design
- Piston case wear protection
- Australian manufactured and field proven
D660
- Hammer OD: 130mm
- Drill Bit Range: 5-3/8in (137mm) to 5-3/4in (146mm)
- Weight: 65kgs
Features
- A range of adaptors are available to suit most drill rod thread connections
- Top loading inner tube design
- Piston case wear protection
- Australian manufactured and field proven
- Optional retention bit system
AD670
- Hammer OD: 132mm
- Drill Bit Range: 5-3/8in (137mm) to 5-3/4in (146mm)
- Weight: 85kgs
Features
- Dedicated retention bit system
- A range of adaptors are available to suit most drill rod thread connections
- Top loading inner tube design
- Piston case wear protection
- Australian manufactured and field proven
- Unique thread profile & heavy duty piston case