Confirmat connecting screws feature thick, dowel-like shanks that make them ideal for box and cabinet construction, ready-to-assemble (RTA) furniture and knock-down (KD) furniture. They feature deep threads that dig into softer materials like softwood and particle board, forming a tight, firm joint. They are perfect for butt joints at corners and shelves, where their extended length and generous thickness lend strength and maximum thread engagement to your assemblies. Use a 5mm bit to drill the pilot hole. Designed for 1/2’’ thick material.