Drill bits for aerospace applications encompass twist drills, step drills, and specialised carbide or polycrystalline diamond (PCD) tipped tooling designed for high-precision hole generation in aluminium alloys, titanium, CFRP, and superalloys such as Inconel, with geometries and coatings — including TiAlN and TiN PVD treatments — optimised to manage work-hardening, delamination, and chip evacuation in demanding structural and engine components.
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