Flat screw heads entirely sit With all the floor which go away no Component of head exposed therefore these screws have to be countersink. these are generally the screws that are generally referred as being the flat head screws a result of the narrow opening offered for flat screw driver. These screws are most often made use of and so are cheap am

Screws with an angular form beneath The top would require countersinking to assist avert splitting wood once you drill or use drive. Countersunk screw head kinds sit flush versus a surface area with little or no protruding elements. This design minimizes slipping and allows for much more exact torque Management, making Pozidriv screws a preferred