A Pan Phillips Screw is a certain type of fastener having a round, slight-domed head with a flat underside, having a cross-like indentation in its top. Because of the type of design it follows, this sort of screw is operable with a Phillips screwdriver so that a greater amount of torque and lesser instances of slippage occur versus traditional flat heads. The head of a pan-shaped vari... https://www.dalloyedbolts.com/pan-phillips-screw-manufacturers-suppliers-stockists-exporters.html