BC-D-500-5A

For large bore holes, the custom-built D-500-5A is an unrivalled workhorse. Each motor posseses a planetary gear reduction setup with integral 11/4"-7 spindle and water swivel housing. The D-500-5A provides 5 HP of power at 92 PSI (6.2 bar) and may be operated at variable speeds of up to 500 RPM for 8" diameter and larger bits, 0-1000 RPM for up to 5" diameter bits. An auto oiler and built in muffler ensure quick, effecient operation.