♦Compact Design: Minimize operator's work during continuous hard drilling operation. ♦Air valves can be started slowly during high-speed operation, to protect workpiece. ♦Minimal vibration during operation.
♦3 planet gear system -User-friendly gear case design allow easy access for both assemble & disassemble. -With needle bearing installed, allows drill extend its service life as well as increase load capacity. -Gear case install on the housing to prevent slipped.