æµÑæ§é»å¿å ªé欬/strong>COP 1838卿å¸éå®åéæ´ªå°éå®å½´æ?/strong>
é¼å»ong and slender piston matched to the drill steel,permits optimal impact power without damaging the drill steel
é¼å»lectrical drilling control system ECS 18 gives COP 1838 controlled impact power resulting in high pene-tration rates with outstanding drill steel life
é¼å»ew reflex dampening system contributes to excel-lent drill steel economy and reduces wear on rock drill,feed and boom