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Power Tools for Professionals

HC4071

1-1/4 In. x 21 In. Spline Speed-X™ Rotary Hammer Bit

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.

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Technical Data

Specification
Bit Diameter Inch 1-1/4"
Bulk false
Diameter 1-1/4"
Flute Length 16.0
Length 21.0"
Overall Length 21.0
Shank Diameter 0.0
Useable Length 16"

Benefits

  • 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

Other sizes

Diameter

1"

Useable Length

24"

Overall Length

29

Diameter

1-1/8"

Useable Length

8"

Overall Length

13

Diameter

1-1/8"

Useable Length

16"

Overall Length

21

Diameter

7/8"

Useable Length

31"

Overall Length

36

Diameter

1-1/8"

Useable Length

24"

Overall Length

29

Diameter

1-1/8"

Useable Length

31"

Overall Length

36

Diameter

1-1/4"

Useable Length

24"

Overall Length

29

Diameter

1-3/8"

Useable Length

24"

Overall Length

29

Diameter

1-1/2"

Useable Length

24"

Overall Length

29

Diameter

1-1/2"

Useable Length

31"

Overall Length

36

Diameter

7/8"

Useable Length

24"

Overall Length

29

Diameter

1-1/2"

Useable Length

16"

Overall Length

21

Diameter

3/8"

Useable Length

8"

Overall Length

13

Diameter

1/2"

Useable Length

8"

Overall Length

13

Diameter

1/2"

Useable Length

16"

Overall Length

21

Diameter

1/2"

Useable Length

24"

Overall Length

29

Diameter

9/16"

Useable Length

16"

Overall Length

21

Diameter

5/8"

Useable Length

8"

Overall Length

13

Diameter

5/8"

Useable Length

16"

Overall Length

21

Diameter

5/8"

Useable Length

24"

Overall Length

29

Diameter

5/8"

Useable Length

31"

Overall Length

36

Diameter

3/4"

Useable Length

8"

Overall Length

13

Diameter

3/4"

Useable Length

16"

Overall Length

21

Diameter

3/4"

Useable Length

24"

Overall Length

29

Diameter

3/4"

Useable Length

31"

Overall Length

36

Diameter

7/8"

Useable Length

8"

Overall Length

13

Diameter

7/8"

Useable Length

16"

Overall Length

21

Diameter

1"

Useable Length

8"

Overall Length

13

Diameter

1"

Useable Length

16"

Overall Length

21

Diameter

1"

Useable Length

31"

Overall Length

36

Diameter

1-1/4"

Useable Length

8"

Overall Length

13

Diameter

1-1/4"

Useable Length

31"

Overall Length

36

Diameter

1-3/8"

Useable Length

16"

Overall Length

21

Service Hotline

Call our Service Hotline or use our contact form.

1-877-BOSCH99 (1-877-267-2499)

Mon-Fri: 7:00-19:00 CST

FAQ

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Mon-Fri: 7:00-19:00 CST