Bosch HEX-9 Multi Construction 1/4\" Hex Drill Bit 6x60mm 2607002777 Bosch MultiConstruction bits are perfect for cordless drills and for most materials including concrete, brick, block, steel, wood & plastics without the use of hammer action. They\'re the perfect all rounder you should always have in your tool kit. FEATURES 6mm drill bit with 1/4\" hex shank allows use with impact drivers Durable carbide with fine grit: High durability and best resistance Sturdy hard metal tip for precise starting and good control Diamond ground cutting edges: A special bevel allows multi-purpose drilling Sharp, diamond-ground cutting edge for extra-long life time in virtually all materials HEX-9 Multi Construction is the perfect solution for drywall, electrical, plumbing, and window installations APPLICATIONS Suitable for practically all materials in interior finishing such as concrete, masonry, brick, eternit, light building materials, multi-layer materials, ceramics and tiles, wood, plastic, metal sheets, aluminum SPECIFICATION Diameter: 6 mm Effective length: 60 mm Overall length: 100 mm Tool shank: 1/4\" Hex