TIMCO Classic Multi-Purpose Countersunk A2 Stainless Steel Woodcrews - 3.0 x 12 All the features and superior performance of the Classic Multi-Purpose Screw manufactured from A2 Stainless Steel. Ideal where ultimate corrosion resistance is required 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. NOTE: Sharp point only. Classic Screw PZ1 CSK A2 SS Double countersunk reduces the likelihood of head shear and assists completion of countersinking 40° deep single thread to provide a secure fixing with high pull-out resistance All sizes up to and including 75mm are fully threaded and lengths 80mm and above all have 70mm thread length