A single thread woodscrew mainly used in various types of timber and man-made boards or into masonry with the use of a plastic plug. Double countersunk reduces the likelihood of head shear and assists completion of countersinking. Wax lubricated to enhance screw insertion time, extra driving torque and resistance to corrosion. 40° Deep single thread to provide a secure fixing with high pull-out resistance. 25° Sharp point and single lead for a fast start and improved thread acceptance. All sizes up to and including 75mm are fully threaded and lengths 80mm and above all have 70mm thread length. Finish: Zinc & Yellow. Head Type: Double Countersunk. Material: Carbon Steel. Thread Coverage: Fully Threaded. Driver Bit Size: P.Z2. CE Standard WebBS EN 14592:2008. Corrosion Rating 1 - Clean, dry & low humidity environments. Gauge 6. Head Dia. mm 6.68. Head Type Double Countersunk. Inner Thread Dia. mm 2.25. Length inch 2. Length mm 50. Lubrication Wax. Material Carbon Steel. Pack Dimensions L x W x H mm 95 x 90 x 60. Pack Weight kg 0.424. Point Type 25° Sharp. Product Code 35050SOLOC. Recess Type Pozi. Size imp. 6 x 2. Size mm 3.5 x 50. Substrates Softwood, Chipboard, MDF, Masonry (with plug). Thread Dia. mm 3.5. Thread Length mm 45. Thread Type 40° Single Deep.