... capacity: 30mm 3,No-load speed: 800rmp Electric Hammer Drill Rotary Hammer Power Tools SpecificationsItem NO J1Z-DD- ... as well as 8 assembly lines. Our products as follow:Armatures and stator(produce them according to your instructions,sample,drawing)Electric ... 10mm,10mm, Hitachi13mm,08-13,dragon 13mm),Project drill(90,200),Electric Hammers{BOSCH20mm,light style BOSCH24mm, BOSCH24mm,26mm(ordinary), ...