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Drill Bits Explained: Why Concrete Bits Fail on Plastic
Daniel's decluttering project hit a wall when his concrete drill bit made a mess of his acrylic bins. This episode breaks down why drill bits are precision cutting tools matched to specific materials — not generic metal spirals. We cover the four failure modes of wood, metal, plastic, and concrete; the real difference between HSS, cobalt, titanium-coated, and carbide bits; and whether a drill bit sharpener like the Drill Doctor actually pays off. Plus: what materials are genuinely undrillable, even with the right tool. Episode 5052 — myweirdprompts.com/n/5052 (permanent short link…
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