Alpen Profi Multicut Tungsten Carbide Multi Purpose Drill Bits Size: ø 12.0 x 220/150 mm   Qty 1 Range of application: Extremely versatile and precise drilling – even with changing drills in various materials. For precision rotary drilling in tiles, natural stone, metal, wood and plastics. Various shanks: Cylindrical shank Drill bits available in various lengths. Due to its extra long version more options when installing windows: drill through plastics, metal and masonry in one work step. 1/4' Hexagonal shank Ideal for all standard cordless drills thanks to its standardized shank profile. Shank DIN 3126, Form E6.3, ISO 1173. SDS-plus shank Special shank design with automatic hammer-stop function for SDS-plus hammer drills with a significantly longer service life. Carbide tip Extra sharp cutting edges, so very well suited for metal too Patented 4-step profile: Fast drill dust feed when drilling into masonry & concrete Various lengths: up to 400 mm Various shanks: Cylindrical shank, 1/4' hexagonal shank, SDS-Plus shank Universal Special drill bits For metal masonry & tiles Diamond ground, sharp cutting edges drill bits are manufactured in Austria.