For use with all types of builders metal work. The twisted shank gives an enhanced pull-out resistance. Approx. Pcs Per 1kg 312 CE Standard Web BS EN 14592:2008 Corrosion Rating 2 - Occasionally damp/wet, rural and sheltered areas Description For use with all types of builders metal work. The twisted shank gives an enhanced pull-out resistance. Finish Sherardised Head Area mm 48.05 Head Type Round Length mm 40 Material Carbon Steel Pack Dimensions L x W x H mm 180 x 152 x 50 Pack Weight kg 0.520 Point Length mm 5.09 Product Code SST40MB Service Class 2 Shank Dia. mm 3.75 Size mm 40 x 3.75 Substrates Metal Weight kg 0.5