... application: Alloy steel, Carbon steel, cast steel, tooling steel, mould steel, heat-treatment steel, Aluminum alloy steel, Non ferrous ... drill,drilling rig,drill bit,power drill9,Material:Solid carbide steel(tungsten steel)Application: Applied in ... medical apparatus and instruments. MaterialSolid carbide steel(tungsten)CoatingTiAlN/AlTiNTypeDrill bitPrecisionHigh precisionOverall36-100mmDiameter0.5 ...