Diablo DMAST1010 3/8" x 1-1/16" SDS-Plus 2-Cutter Carbide-Tipped Hammer Stop Bit is built for serious concrete work. It’s ideal for anchor installations and designed to drill fast, stay sharp, and outlast typical bits—so you can get the job done without second-guessing your tool choice.

Key Features & Design

• Diameter x length: 3/8" x 1-1/16"
• Technology: SDS-Plus 2-Cutter Carbide-Tipped design for fast drilling and extended life
• Stop Collar: Stop Collar for efficient shallow anchor installations
• Durability: Diablo-made carbide withstands impact and high heat applications, dramatically extending life versus standard hammer bits
• Manufacturing optimization: Optimized brazing and hardening process extends life of carbide tips and increases productivity
• Performance: Optimized for maximum performance in corded and cordless SDS-Plus rotary hammers
• Application: Ideal for anchor setting in concrete

With the DMAST1010, you’re choosing a tool that blends speed, precision, and durability—so you can drill more holes, faster, and with less downtime. It’s the kind of reliability that makes you wonder how you ever survived without a dedicated hammer stop bit in your kit.