Specimen Grinder Machine
Testing accessories and preparation equipment
RSG-500 Specimen Grinder

The GCTS RSG-500 Specimen Grinder allows for precise preparation of rock, concrete, or asphalt specimens. This system provides specimen with the flat, parallel ends as required for testing by the ASTM and ISRM standards. 


  • 2 HP electric motor
  • 177 mm (7 in.) diamond grinding cup-wheel
  • Specimen from 25 mm to 150 mm in diameter
  • Optional air cooling and dust collection systems
  • Optional upgrade for full computer control of grinding

The GCTS RSG-500 Specimen Grinder provides the final step to preparing test specimens with parallel and flat ends according to ASTM and ISRM specifications. The grinder is driven by a heavy-duty 2.0 HP electric motor for durability. The grinder comes with a 177 mm (7 in.) diamond cup wheel, which can easily grind specimens from 25 mm to 150 mm diameter in a single pass. 


The RSG-500 can be supplied with the optional air cooling and dust systems. Also available is the optional automation upgrade for computer controlled grinding.


230/380/460 volts

50-60 Hertz

3 phase



Mass: 680 kg

Dimensions (meters): 1.0 x 1.5 x 1.6


For full specifications, please contact GCTS.