The wrong bit wears fast, burns material or skates. A quick home DIY chooser.
Wood
Sharp wood bits (twist or flat). Mark the centre for accuracy.
Metal
HSS bits, lower RPM, a drop of cutting oil if needed. Let the bit cut — don’t force it.
Masonry / brick / concrete
Carbide-tipped masonry bits, hammer mode when required. Extract dust to reduce wear.
Diameter: slightly smaller than the plug/screw spec unless the maker says otherwise.
Bits and drills: Tools and Hardware.
Useful materials for this job
Based on this guide, we picked matching products from our range — reserve online and pick up via Click & Collect.
Wood Drill 981, Hexagon Shank 10 mm
€11.95
Wood Drill 981, Hexagon Shank 8 mm
€8.95
Wood Drill 981, Hexagon Shank 6 mm
€8.50
Wood Drill 981, Hexagon Shank 5 mm
€7.95
Tiain Metal Drill Hss G3 702 7.5 mm
€8.95
Metal Drill 781 Hss, Hexagonal Shank 6 mm
€9.95
Metal Drill 781 Hss, Hexagon Shank 5 mm
€10.95
Metal Drill 781 Hss, Hexagonal Shank 4 mm
€9.50