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Cobalt drill bits are best for hardened steel.

Find the best drill bits for masonry. Explore carbide-tipped, SDS, and specialized bits for concrete, brick, and stone.

Best drill bit for porcelain tile: Diamond-tipped bits ensure clean, precise holes without chipping. Learn more.

Cobalt or HSS drill bits are best for stainless steel. Slow speeds, steady pressure, and lubricant are key.

Find the best drill bits for stainless steel. Learn about cobalt, HSS, and carbide bits for clean, precise holes.

Best drill bit for stainless steel: Cobalt or HSS bits with a slow speed and lubricant. Learn more for clean, precise holes.