1200mm dia grab type core barrel used for gravel,boulders rock deep foundation piling work

1200mm dia grab type core barrel used for gravel,boulders rock deep foundation piling work

800mm dia grab type core barrel used for gravel,boulders rock deep foundation piling work

1000mm dia grab type core barrel used for gravel,boulders rock deep foundation piling work

grab type core barrel ,1200mm grabing style core barrel main use for gravel , boulders

Core Barrels are used for cutting an annular ring in rock or concrete (also reinforced concrete). The center core is usually broken with round shank picks, rock auger or cross cutter. The advantage of using the core barrel is the concentration of the crowd force and torque on small ring of cutting teeth.

Cylinder Made of steel grade  Thickness = 25 mm Height = 1000 mm or upon request Cutting Ring: Made of steel grade Thickness = 40 mm Height = 500 mm Kelly box: Welded Steel Plate made of  Cylinder Wear Protections: Slides Plate made of welded on the cylinder body.Match bauer soilmec casagrande rotary drilling rig 

tianjin huachang xingye technology co ltd email info@tjdrilling.com whatsapp 008618902059907