RedLine Tools has a comprehensive selection of quality American made drills. We’ve compiled this extensive assortment to provide you with the ultimate in control and precision when working with a wide variety of materials. From micro drills to large taper shank drills weve got you covered. Our offering includes: HSS, cobalt and carbide drills with a variety of different coatings, as well as uncoated, to best suit your application. Spotting Drills are used to provide a starting hole for a traditional drill bit. Short flute lengths and overall lengths increase rigidity and strength while reducing drill wander. High Speed Steel spot drills have 90° and 120° point angles and a narrow chisel edge for quick starts. Carbide Spotting Drills can be used at higher speeds and feeds for accurate spotting on NC/CNC machines.