Flat Recex® Deep Thread Type-17 With Nibs It doesn't get any better than this! This is our most popular new product. We have taken the Recex® Square-Phillips Combination Recess and combined it with our popular Zip Driver product line. The dependable Type-17 point pre-drills the wood while the nibs underneath the head allow the fastener to self-countersink itself into all types of soft and hardwoods. The patented Recex® Square-Phillips Combo Recess insures you always have the correct driver bit to install or adjust your finished wood working project.