Terra Sonic International, LLC
Model SPT -Automatic Hydraulic
Hinges over the hole, has an adjustable blow count and visual verification of anvil fall height conforming to ASTM D-1586. One (1) Automatic Hydraulic SPT (conforming to ASTM D-1586) permanently mounted to rig opposite driller. The SPT hinges over the hole, has an adjustable blow count, and visual verification of anvil fall height.
