Diablo DMAST1020 SDS-Plus 2-Cutter Carbide Stop Bit

Diablo DMAST1020 SDS-Plus 2-Cutter Carbide Stop Bit, 1/2 in. x 13/16 in.

The Diablo DMAST1020 is a carbide-tipped SDS-Plus hammer stop bit engineered for fast, long-lasting drilling in concrete, brick, and block. Sized at 1/2 in. diameter with a 13/16 in. working length, this 2-cutter bit features a built-in Stop Collar that delivers a pre-determined stopping point for efficient, consistent shallow anchor installations. Diablo's optimized brazing and hardening process extends carbide tip life, giving professionals fast, accurate holes with maximum performance in both corded and cordless SDS-Plus rotary hammers.

Key Features

• Trade Size: 1/2 in. diameter x 13/16 in. working length for precise shallow anchor hole drilling.
• Durable Construction: Diablo-made carbide tips withstand impact and high-heat applications, dramatically extending life versus standard hammer bits.
• 2-Cutter Design: Two-cutter carbide tip geometry optimized via a specialized brazing and hardening process to extend carbide life and boost productivity.
• SDS-Plus Shank: Designed for maximum performance in corded and cordless SDS-Plus rotary hammers.
• Stop Collar: Built-in stop collar provides a pre-determined stopping point for efficient, repeatable shallow anchor installations.
• Fast, Accurate Drilling: Engineered geometry allows users to drill fast, accurate holes with reduced bit wear.

Technical Specifications

• Shank: SDS Plus
• Diameter: 1/2"
• Working Length: 13/16"
• Number of Cutters: 2
• Pack Quantity: 1
• Packaging: 100 ea

Typical Applications

• Anchor Setting
• Drilling Concrete
• Drilling Brick and Block
• Shallow Mounting Hole Drilling with SDS-Plus Rotary Hammers
• Professional Construction and Renovation Work

Why Diablo?

Diablo engineers its carbide-tipped SDS-Plus stop bits with a proprietary brazing and hardening process that withstands the impact and high heat of repeated hammer-drilling, extending tip life well beyond standard hammer bits. The integrated Stop Collar and 2-cutter carbide design give contractors a dependable, repeatable solution for shallow anchor installations in concrete, brick, and block, backed by consistent performance in both corded and cordless SDS-Plus rotary hammers.