Is designed for cutting core sample from asphalt , concrete
And other material on the road, run ways and structures
( 290-B) Consist Of :

TYPE DESCRIPTION QTY
291-B Core Drilling Machine 1 set
Cast alumunium frame, gasoline engine 6.75 HP
4 cyle vertical drilling position : rubber caster,
up to 4" dia. bit.
100-D Diamond Bit , 4" inner dia. Merk HOFFMAN-USA 1 pc
293-B Sample Tong, 4" dia. 1 pc
294-B Breaking Strip, Galvanized steel. 1 pc
292-B Spanner , Steel, 42 mm and 32 mm. 2 pcs