All the features and superior performance of the Classic Multi-Purpose Screw manufactured from marine grade A4 Stainless Steel. 
Ideal for coastal and highly corrosive environments when fixing to softwoods, hardwood (pre-drilled), chipboard, MDF and plastic. 
Stainless steel must be used where there is corrosive environment and/or the base material has inherent corrosive characteristics e.g. Green Oak.