Extra heavy duty Cyclo-Twist carbide tipped masonry drill bits are skillfully designed for long service life, high durability, and great productivity. It's the original fast spiral rotary carbide tipped bit for rotary drilling. Its unique double fast spiral fluting effectively removes dust from the cutting area, enabling faster, cooler cutting and leaving cleaner holes. Ideal for rotary drilling in plaster, limestone, common and hard bricks, cinder and cement blocks, flagstone, marble, terrazzo, slate, sandstone, hard concrete, tile, terra cotta blocks, and other masonry materials.

How to use: Just insert the Cyclo-Twist drill bit into your rotary drill and start drilling on the masonry surface you want. Make sure the drill is set to the right speed.
Things to note: Don't use it on materials that it's not designed for. Always wear safety goggles and gloves when using. Keep children away from the working area.
Maintenance advice: After each use, clean the drill bit with a brush to remove any dust or debris. Store it in a dry place to prevent rusting.