Best Drill Bits for Stainless Steel (Cobalt Picks + Buying Guide)
The best drill bits for stainless steel are cobalt (M35 or M42) with a 135° split point. Here are our top picks, a comparison table and a buying guide.
CategoryDrill Bits
Drill bit reviews and buying guides for metal, stainless steel, concrete, tile, glass and wood, plus jobber, cobalt and step bits explained.