Meet the BOSCH HC2146 7/8 In. x 10 In. SDS-plus Bulldog Rotary Hammer Bit—carbide-tipped for long life in tough applications and a smart choice for anchors and through-hole work on concrete. Built for pros and serious DIYers who want reliability without drama, this bit starts quickly and keeps going long after others wimp out.

The Bulldog SDS-Plus design pairs with most rotary hammers for dependable performance. Its centric tip ensures quick starts in concrete, while an optimized flute design helps the bit run cooler, reducing wear and keeping you drilling longer between sharpenings.

Key Features & Design

• Carbide tipped for long life in tough applications.
• Centric tip ensures quick starts in concrete.
• Wear mark alerts user when tip wears beyond ANSI specification.
• Bit runs cooler thanks to improved flute design.
• BENEFITS Optimized brazing and hardening process for long life.
• 15% faster (compared to S4L).
• Bosch-made carbide tip is tougher and more durable under heavy loads.
• Proprietary Bosch hardening process results in more holes per bit.
• Ideal for anchoring and through-hole applications in concrete.

Specifications

• Bit Diameter 7/8 In.
• Bit Material Carbide Tipped
• Bit Type Percussion
• Case Included No
• Color Coded No
• Etched / Stamped Size Identification Yes
• Shank Style SDS-Plus