How to Make A Perfect Countersink
Countersink first, drill the pilot hole second. That may sound backward, but it’s the easiest way to ensure a perfect countersink.
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Countersink first, drill the pilot hole second. That may sound backward, but it’s the easiest way to ensure a perfect countersink.
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Drilling in melamine, plastic laminate, particleboard, or other abrasive materials dulls a steel countersink very quickly. So why not make it out of carbide? Thankfully, Amana did just that—they say their Carbide Tipped Countersinks will last 100 times…
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