... 2,rilling capacity: 26mm 3,No-load speed: 750rmp Power Tools Electric Hammer Rotary Hammer SpecificationsItem NO J1Z-DD-26LYRated power980WNo load speed ... , Hitachi13mm,08-13,dragon 13mm),Project drill(90,200),Electric Hammers{BOSCH20mm,light style BOSCH24mm, BOSCH24mm,26mm(ordinary),26mm(new style ...