Along with the Hollow Stem Auger services, AmeriDrill, Inc. has high-pressure air compressors that can be used to perform Air Percussion Rotary functionality when your job site encounters bedrock. This enables the crew to remain on the job and continue without interruption, saving you time and money. APR is high pressure air drilling that is advanced in boreholes into bedrock from 4" to 14" in diameter. This can be for water wells, geothermal wells, production wells, and environmental monitoring wells. Ameridrill has two T3 Air Rotary Drill Rigs that are able to drill 8" bedrock boreholes to 400 foot depths. Our Air Percussion Rotary services are available in New Jersey (NJ), Pennsylvania (PA), Delaware (DE), Maryland (MD) and New York (NY).