Famag 1596508 Brad point drill bit HSS-G short version Set of 9 pcs in Wooden Case Key Features: FAMAG 9pcs HSS-ground 1/4" Hex Short Shank Brad Point Drill Bit Set in Wooden Case, 1596508 - 9 pcs Ø 3, 4, 5, 6, 7, 8, 9, 10 mm and bit holder One-piece drill bit with brad point, two main cutting edges, two protruding cutting edges and a hexagonal shank for bit holder For pre-drilling and lightning-fast tool change to screw bit, drilling in all wooden materials and many plastics Good handling with cordless screwdriver. The specially smooth chip flutes enable a good chip removal. Also available as twist drill product line 2596, see twist drills and countersinks UPM: Maximum rotation speed of the cordless screwdriver: recommended 3000 rpm