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. CE Standard Web BS EN 14592:2008 Corrosion Rating 1 - Clean, dry & low humidity environments Description 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. Driver Bit Size PZ2 Finish Zinc Gauge 9 Head Dia. mm 8.76 Head Type Double Countersunk Inner Thread Dia. mm 2.75 Length inch 2 Length mm 50 Lubrication Wax Material Carbon Steel Pack Dimensions L x W x H mm 135 x 90 x 60 Pack Weight kg 0.700 Point Type 25° Sharp Product Code 45050SOLOZ Recess Type Pozi Size imp. 9 x 2 Size mm 4.5 x 50 Substrates Softwood, Chipboard, MDF, Masonry (with plug) Thread Dia. mm 4.5 Thread Length mm 45 Thread Type 40° Single Deep