A traditional twin-thread woodscrew with single lead start for a fast installation. Mainly used in soft timber applications or masonry with a plastic plug. CE Standard WebBS EN 14592:2008 Corrosion Rating 1 - Clean, dry & low humidity environments. Driver Bit Size: PZ2, Finish: Zinc, Gauge: 8, Head Dia. mm: 8.20, Head Type: Double Countersunk, Inner Thread Dia. mm: 2.70, Length inch: 1, Length mm: 25, Material: Carbon Steel, Pack Dimensions L x W x H mm: 15 x 90 x 133, Pack Weight kg: 0.049, Point Type: 25° Sharp, Product Code: 00081CWZP, Recess Type: Pozi, Size imp.: 8 x 1, Size mm: 4.0 x 25, Substrates: Softwood, Thread Dia. mm: 4.0, Thread Length mm: 25, Thread Type: 60° Twin Threads.