All the features and superior performance of the Classic Multi-Purpose Screw manufactured from A2 Stainless Steel. Offering superior corrosion resistance making it ideal for multiple external applications, especially for the construction of decking platforms. Stainless steel must be used where there is corrosive environment and/or the base material has inherent corrosive characteristics e.g. Green Oak. Features Double countersunk head reduces the likelihood of head shear and assists completion of countersinking Helix shank for removing debris and to improve clamping Single slash point to reduce torque and the risk of timber splitting at low edge distance Specification Size (mm) - 4.5 x 50 Driver Bit Size - PZ2 Pack Type - Tub Pack Qty - 250 Recess Type - Pozi Head Type - Double Countersunk Thread L (mm) - 32 Thread Type - 40° Single Deep Point Type - 25° Sharp with Single Slash Material Austenitic Stainless Steel (A2-304) Colour - Silver Corrosion Rating (1-5) - 4:- Urban & industrial