CORE DRILLING( Asphalt / Concrete Core Drill Machine)
BI-400 CORE DRILLING TEST SET For cutting core samples from asphalt, concrete and other material on the road, run ways and structures. Specification : BI-401 Core Drilling Machine; cast alumunium frame, gasoline engine 5, 5 HP , 4 cycle vertical drilling position: rubber caster, up to 4 " dia.