Meet the BOSCH HS1911B20 20 pc. 1 In. x 12 In. Flat Chisel SDS-max® Hammer Steel — a rugged, high-performance set built for concrete removal and hard surface break up. This SDS-max® flat chisel is highly durable and designed for extreme performance, using an SDS-max® shank to ensure a tight grip for the toughest jobs.

Key Features & Design

• 1 In. chisel width and 12 In. long SDS-max® shank — ideal for precise, heavy-duty material removal.
• One-piece design for maximum rigidity and fewer weak points during demanding work.
• Bit Material: Alloy Steel
• Chuck Fitment: SDS-Max
• Contents: 20 Bits
• Fits hammers: Fits Bosch SDS-max® hammers, competitive SDS-max® driver hammers and Hilti hammers using TE-Y and TE-FY shanks (sold separately)
• Flat chisel design specifically for concrete removal and hard surface break up

Compatibility and performance are built in. This flat chisel is part of Bosch’s trusted SDS-max® hammer steel lineup, engineered to endure tough demolition and resurfacing tasks while delivering consistent results.