It can drill cores from a sample of asphalt or concrete material held by ... for a rapid but safe drill penetration with minimum core bit wear rate.

The Model 2 1328 0050 SA rig-mounted pneumatic core drill is suited for heavy-duty drilling of up to 12-in.-diameter holes in concrete, reinforced concrete, asphalt and refractory. Weighs only 66 lbs.

Scope of the Resampling Program The QC Copper team identified approximately 1,100 metres of historical core, encompassing 690 samples across 34 istorical drill holes. These holes were selected ...