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 & Yellow Gauge 8 Head Dia. mm 7.62 Head Type Double Countersunk Inner Thread Dia. mm 2.50 Length inch Length mm 20 Lubrication Wax Material Carbon Steel Pack Dimensions L x W x H mm 70 x 58 x 34 Pack Weight kg 0.237 Point Type 25° Sharp Product Code 40020SOLOC Recess Type Pozi Size imp. 8 x Size mm 4.0 x 20 Substrates Softwood, Chipboard, MDF, Masonry (with plug) Thread Dia. mm 4.0 Thread Length mm 15 Thread Type 40° Single Deep