Dottie Masonry drill bit with 1/4-Inch straight shank, is perfect for use on brick, concrete, tile, slate and cinder block. It has slow spiral flutes to drill and remove drilled out material. It has a dimension of 5/16-Inch Dia x 4-Inch. This drill bit in black oxide coated finish, features tempered body with tungsten carbide tip.

Special Features:Features: Tempered Body for Long Life, Slow Spiral, Suitable for Rotary or Percussion, For Brick, Concrete, Tile, Slate and Cinder Block