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Twist drills create holes and taps form threads in steel, aluminum, and plastics. Made from HSS, Cobalt-alloyed HSS-E, or Cemented Carbide with advanced coatings, they ensure precise machining for automotive, aerospace, mouldmaking, and general industrial components.

Twist drills and taps are essential cutting tools used to produce holes and internal threads in metals, plastics, and composite materials. Twist drilling removes material through a rotating, multi‑fluted tool whose geometry—point angle, helix angle, and flute shape—determines chip evacuation and cutting stability. Common tooling materials include high‑speed steel (HSS), cobalt‑alloyed HSS‑E-PM, Cemented Carbide, and coatings such as TiN, TiAlN, or AlCrN for wear resistance and heat management. Tapping forms internal threads by cutting or cold‑forming, using straight‑flute, spiral‑flute, or roll‑forming taps selected based on ductility of the workpiece. Tooling design focuses on accurate cutting edges, optimized flute geometry, and shank interfaces suitable for CNC machines or manual operations. Proper lubrication, speed, and feed control are essential to avoid tool breakage and ensure thread quality. Applications include precision machining of automotive components, aerospace parts, mould and die features, machinery housings, and general industrial assemblies where accurate holes and threads are required.

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