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. CE Standard Web BS EN 14592:2008 Corrosion Rating 4 - Urban & industrial areas with a moderate salt atmosphere Description 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. Driver Bit Size PZ2 Gauge 8 Head Dia. mm 7.87 Head Type Double Countersunk Inner Thread Dia. mm 2.50 Length inch 1 Length mm 40 Material Austenitic Stainless Steel (A2-304) Pack Dimensions L x W x H mm 92 x 72 x 58 Pack Weight kg 0.440 Point Type 25° Sharp with Single Slash Product Code 40040CLASS Recess Type Pozi Size imp. 8 x 1 Size mm 4.0 x 40 Substrates Hardwood, Softwood, Chipboard, MDF, Plastic, Thin Sheet Metal, Corrosive Wood (e.g. Oak, Cedar) Thread Dia. mm 4.0 Thread Length mm 35 Thread Type Single Coarse 40°