Our laboratory core drilling machine / pavement core drilling machine is suitable to drill / cut cores of concrete, rocks, stones, tiles or the similar material. This core drilling machine is the most efficient light weight, portable unit & has been designed specifically for the purpose of drilling test cores / holes in concrete / bitumen from road, bridges & airport runways etc. The machine is suitable for core samples of size up to 150 mm diameter with the help of thin walled diamond bits which are at extra cost. The drill portion is supported on two columns. The machine has two speed driven by ‘v’ belt & has arrangement of water tank for coolant purpose. The machine is mounted on a light weight, but strong steel base & the base is mounted on two tyres for easy towing on road by car / van / jeep. While drilling it can be mounted on four bolts for jacking. The machine has two versions: 1. One is motorized which is fitted with 3 h. P. Electric motor suitable to operate on 230 volts ac, single phase. 2. Another is diesel engine driven which is fitted with 4 or 5 h. P diesel engine. Accessories: 1. Thin wall diamond bits. 2. Core barrel