The Solo Countersinking Pozi Wood Screws are 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. Features & Benefits • 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 Specifications • Pack Dimensions L x W x H: 70 x 58 x 34mm • Material: Carbon Steel • Lubrication: Wax • Head Type: Double Countersunk • Gauge: 8 • Point Type: 25° Sharp • Finish: Zinc & Yellow • Length: 20mm • Thread Diameter: 4mm • Head Diameter: 7.62mm • Substrates: Softwood, Chipboard, MDF, Masonry (with plug) • Quantity: 200