When you need to drill large diameter holes in concrete, stone and other dense masonry materials, reach for a DewaltCarbide Core Bit. Designed for use with your rotary hammer drill, these ultra-heavy-duty bits feature tungsten carbide teeth, hardened steel body, and one-piece design for maximum durability. The alternating tooth design and low-friction core body provides quick centering and faster drilling.

1-Piece 3-1/4" x 22" SDS Max Core Bit The DeWalt 1-piece 3-1/4" x 22" SDS max core bit is an extremely durable and useful attachment. Use this to increase your efficiency and decrease your work time. Superior build quality means you will be using this bit for years with minimal wear and tear. A must have for any professional or do-it-yourselfer. Features: Alternating tooth design delivers increased durability and quicker centering Tool free centering bit allows for easier removal Low friction core body provides faster drilling One-piece design provides more durability than two-piece design Specifications: Diameter: 3-1/4" Length: 22" Front Handle Style: SDS Max Shank DEWALT is firmly committed to being the best in the business, and this commitment to being number one extends to everything they do, from product design and engineering to manufacturing and service.