How to use cabinet fittings furniture cam lock screw wood connector?

Product name:Cam Lock and Bolt
Item No.:HT-13.100501
Diamter:15/25/35mm
Material:Zinc alloy
Drinlling hole depth:10, 12.2, 13.4, 15.7mm
Dowel Pin:Ø8mm or Ø10mm hole

cabinetfittingsfurniture