Free Lifetime Tech Support With Every Purchase
Free Shipping on Thousands of Products
Award-Winning Customer Service

Bosch Tools 1-1/2" x 21" Spline SpeedX Rotary Hammer Bit - HC4091

Abt Model: HC4091 | UPC: 000346207743
Online Only
Your Shipping Zip Code: 20149
50% off Expedited Shipping
Get it there for the holidays.
Holiday Shipping Guidelines
Estimated Delivery Date: Dec 27th*
When you order in the next 5 hours, 28 mins

Product Details

Bosch Tools 1-1/2" x 21" Spline SpeedX Rotary Hammer Bit, Model HC4091

Bosch brings constant innovation to concrete and masonry drilling. The product's tungsten-carbide tip provides superior wear resistance in tough applications. Resists extreme loads while its efficient design helps enhance the power of the hammer for more effective performance.


  • Tungsten-carbide tip provides superior wear resistance in tough applications
  • Patented four-cutter tip design that provides optimal performance
  • Large flute volume for fast drilling, dust transport and less clogging
  • Active-centering tip for optimum guidance when drilling in concrete and reinforced concrete
  • Inclined side cutters for aggressive drilling


  • Diameter: 1-1/2"
  • Useable Length: 16"
  • Overall Length: 21"

Approximate Weight:

  • Shipping: 6.4 lbs
California customers: Proposition 65 WARNING - learn more
Key Features
1-1/2 " Diameter/ Tungsten-Carbide Tip Provides Superior Wear Resistance/ Patented Four-Cutter Tip Design/ Large Flute Volume/ Active-Centering Tip For Optimum Guidance/ Inclined Side Cutters For Aggressive Drilling/ Silver Finish
More reasons to buy the Bosch Tools HC4091 from Abt Electronics
  • is an authorized dealer (Learn More).
  • The Bosch Tools HC4091 is Brand New.
  • The Bosch Tools HC4091 Ships in a Factory Sealed Box.
TypeRotary Hammer Bit
sign up for our newsletter
Join Our Email List & Get $25 Off your next order of $250 or more.