Generally, cabinets are built with particle board or solid wood. The material used affects the appropriate fastener choice.
Melamine, Particle board or Medium Density Fiberboard (MDF) requires confirmat screws:
For hardwoods or softwoods, use a #8 flat head, hardened steel screw:
European cabinet boxes can be joined with two-piece, 5 mm panel connecting screws which fit through pre-drilled 32 mm system shelf pin holes.
For connecting face frame and other cabinet boxes, a #8 ProMaster flat head screw with sawtooth threads works well. The sawtooth threads help the screw cut its way into the wood and increase holding power.