All the features and superior performance of the Classic Multi-Purpose Screw with a corrosion resistant coating to withstand over 1,000 hours salt spray. Designed to be used with black ironmongery. NOTE: Sharp point only. CE Standard WebBS EN 14592:2008 Corrosion Rating3 - Urban & industrial areas with a low salt atmosphere. Driver Bit Size PZ2, Finish Exterior (Black Organic), Gauge 6, Head Dia. mm 6.68, Head Type Double Countersunk, Inner Thread Dia. mm 2.25, Length inch, Length mm 16, Material Carbon Steel, Pack Dimensions L x W x H mm 55 x 40 x 36, Pack Weight kg 0.160, Point Type 25° Sharp, Product Code 35016CLAB, Recess Type Pozi, Size imp. 6 x, Size mm 3.5 x 16, Substrates Hardwood, Softwood, Chipboard, MDF, Plastic, Thin Sheet Metal, Thread Dia. mm 3.5, Thread Length mm 11, Thread Type Single Coarse 40°. The exceptional reliability and strength of the TIMco Classic Screw, featuring a double countersunk head to reduce the likelihood of head sheer and assist completion of countersinking. New patented molecular lubrication is designed to enhance screw insertion time and provides greater resistance to corrosion. A 40 degree deep single thread provides a secure fixing with high pull-out resistance. A 25 sharp point assists with easy penetration. Special thread configuration gives an ultimate performance and an exceptionally high pull-out resistance. Surface hardened up to 750 HV to prevent torque shearing.