The 23 Piece Dewalt DT71582 Drilling Set offers high performance in Metal, Wood and Masonry
The Dewalt DT71582 consists of 3 Packs of Drill Bits, 1 x DT5912 HSS-R for Metal 13 Piece, 1 x DT4535 Brad Point for Wood 5 Piece and the DT6952 Carbide Tip for Masonry 5 Piece. All the popular sizes are here for drilling in any application.

DT5912 HSS-R for Metal:

Suitable for portable or stationary drilling in steel, alloyed and non alloyed material, cast iron, sintered iron, nickel, brass, etc. (up to 900N/mm²)
Non alloyed black oxide precision ground twist drill bit for rapid drilling, long life and excellent concentricity
Ground from solid stock right hand cutting, type N flute, precision ground 118° point angle
Sizes: 1.5, 2, 2.5, 3, 3.2, 3.5, 4, 4.5, 4.8, 5, 5.5, 6, 6.5mm
DT4535 Brad Point for Wood:

For drilling plywood and natural hard and softwood
Particularly suitable for drilling dowel holes and through holes
High-quality chrome-vanadium-alloyed drills with a centering point, two shoulders and peripheral cutting edges
Sizes: 4, 5, 6, 8, 10mm
DT6952 Carbide Tip for Masonry:
For drilling into concrete, masonry, natural and artificial stone, brick, etc
Rotary/percussion masonry carbide tip drill bit
Heat treated body to reduce bit breakage
Sizes: 4, 5, 6, 8, 10mm