What Drill Bit

Wall & masonry

Fastening to a wall, not into framing? Start with the wall type. Drywall anchoring, concrete-anchor sizing (Tapcon, wedge, sleeve) and UK colour-coded wall plugs are all here.

DrywallMatch the anchor to the weight, or find a stud. Selector, screw chart and guides. Concrete anchorsThe anchor finder, the comparison chart, and a page for each of Tapcon, wedge, sleeve and drop-in. Wall plugs (UK)Colour-coded UK wall plugs (rawlplugs): which drill bit for red, brown, blue and the rest.

Bit not cutting the wall?

Drill bit won't go into concrete?Usually the drill isn't hammering. Or it's the wrong bit, a worn one, or rebar. The fix for each.

Elsewhere on What Drill Bit

WoodMetalSizes & ChartsGuides

These are general guidance sizes cross-referenced from common woodworking sources. For structural, load-bearing, or manufacturer-specific work, follow the fastener manufacturer’s or an engineer’s specifications.