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.

DrywallThe anchor selector, the screw-size chart, and guides — match the anchor to the weight, or hit a stud. Concrete anchorsThe anchor finder, the comparison chart, and a page for every type — Tapcon, wedge, sleeve and drop-in. Wall plugs (UK)Colour-coded UK wall plugs (rawlplugs) — the size finder and chart: 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 — plus the wrong bit, a worn one, or hitting rebar. The fix for each.

Elsewhere on What Drill Bit

Wood hubMetal hubSizes & Charts hubGuides

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.