TIMCO Solo Chipboard & Woodscrews Gold 4.5 x 40 Box of 200 A single thread woodscrew mainly used in various types timber and man made boards or into masonry with the use plastic plug

Amazon

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, Manufacturer: TIMco

Zoro Tools

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. Please Note : Due to geographical locations we are unable to deliver to Highlands

ManoMano

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.