01CD Combo Binder Head Screws Essentra Components 01CD Combo Binder Head Screws feature lightweight screws constructed of UL94 V-2 Nylon 6/6 for improved vibration and corrosion resistance. The combination screws may have a larger head height than standard binder head styles, but the flat-top surface distributes pressure evenly across the part's surface. The 01CD series offers 2.4mm to 63.5mm screw length options with various thread sizes. The Essentra Components 01CD Combo Binder Head Screws are ideal for electrical equipment, automotive repair, and machinery construction.