Slotted Countersunk Head Screw DIN 963/ISO 2009 is suited for the applications, where there is a need of maximum tensile strength. This is suitable for general woodworking applications and has a precision design finish. It has many tightening attributes and has accessibility in the functional design. Slotted Countersunk Head Screw DIN 963/ISO 2009 screw has been designed to be simply covered. It ensures uses in security applications. This is needed for increasing the structural functionality.