Bosch 3-1/4" x 22" Spline Rotary Hammer Core Bit w/ Wave Design 2910-21 Optimized center of balance

Optimized center of balance

The ambidextrous variable speed sliding lock on lever provides the ability to easily lock in the blower to the desired clearing power

Up to 30% brighter than a 250 halogen light

Strokes per minute: 3

the tool weighs only 15

Bosch 3-1/4" x 22" Spline Rotary Hammer Core Bit w/ Wave Design 2910-21 Optimized center of balanceBosch brings constant innovation to concrete and masonry drilling. Bosch developed custom manufactured carbide and diffusion bonding technology to provide better performance and durability. Spline thru hole rotary hammer bits offer less vibration and quieter operation thanks to an efficient design that maximizes the power of the hammer. Wave design transfers energy to bit more effectively for up to 40 percent faster drilling versus previous design 17