Head Type - Double Countersunk. 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. All sizes up to and including 75mm are fully threaded and lengths 80mm and above all have 70mm thread length".
Timco - Solo Timber Woodscrews - PZ - Double Countersunk - Various Sizes are an excellent fit for high-quality wood joinery, making them a preferred choice among professional carpenters and DIY enthusiasts seeking durable and reliable countersunk woodscrews for various woodworking projects.