procurement of cat b / construction items , core cutting / drilling machine ( diesel engine driven ) suitable to cut / drill cores of concrete , rocks stones , bitumen road tiles or the similar materials . the machine is suitable for core samples of size for 100 mm diameter with the help of thin walled diamond bits . the machine has sturdy base with pillar support in which rack and pinion is provided for adjustment in height and penetration assembly . a suitable diesel engine is fitted in the machine with cooling arrangement with water . the base frame is also fitted with wheel for ease to transportation . dimension approx , are as under : height : 1300 mm , base : 600 x 1200 mm , head travel on rack : 350 mm , drill speed : 900 rpm for soft sample and 350 rpm for hard samples . water swivel : built in the machines . accesssories : ( i ) thin wall diamond bits . ( ii ) core barrel , dobekot 5022 , silica m 10 , hardener eh 411 , pu - 28 , concret vibrator diesel capacity - 5hp engine : diesel compatible with vibration needle at s no 1 . 7 and 1 . 8 below . , vibrator needle / concrete poker assy 40 mm with flexible shaft , compatiblewith vibrator at s no 1 . 6 above . , vibrator needle / concrete poker assy 60 mm with flexible shaft , compatiblewith vibrator at s no 1 . 6 above .