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Power Tools for Professionals

3/16 In. to 1-3/8 In. High-Speed Steel Step Drill Bit

SDH9

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Benefits
Self-starting point starts on contact

Technical Data

Specifications
*Note Drill bits (or extension + drill bit) in excess of 8" should never exceed 600 RPM
Application For 1" conduit and tubing (requires 3/4" pilot hole)
Diameter 13/16" to 1-3/8"
Flute Length 2.0
Increments 1/16"
Length 3.0"
Notes For 1" conduit and tubing, requires 3/4" or larger pilot
Number of Hole Sizes 10.0
Shank Diameter 0.5
Step Depth 1/8"
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SDH9

Other sizes

Diameter

1/8" to 1/2"

Increments

1/32"

Step Depth

1/8"

Number of Hole Sizes

13

Shank Diameter

0.25

Diameter

1/4" to 1-3/8"

Increments

1/8"

Step Depth

1/8"

Number of Hole Sizes

10

Shank Diameter

0.375

Diameter

1-1/8"

Increments

N/A

Step Depth

N/A

Shank Diameter

0.5

Diameter

3/16" to 7/8"

Increments

1/16"

Step Depth

1/8"

Number of Hole Sizes

12

Shank Diameter

0.375

Diameter

1/4" to 3/4"

Increments

1/16"

Step Depth

1/8"

Number of Hole Sizes

9

Shank Diameter

0.375

Diameter

1/4", 7/8", 1-1/8"

Increments

N/A

Step Depth

5/32"

Number of Hole Sizes

3

Shank Diameter

0.375

Diameter

7/8"

Increments

N/A

Step Depth

N/A

Number of Hole Sizes

1

Shank Diameter

0.375

Diameter

3/16" to 1/2"

Increments

1/16"

Step Depth

3/8"

Number of Hole Sizes

6

Shank Diameter

0.25

Diameter

9/16" to 1"

Increments

1/16"

Step Depth

1/8"

Number of Hole Sizes

8

Shank Diameter

0.375

Diameter

1/2"

Increments

N/A

Step Depth

N/A

Number of Hole Sizes

1

Shank Diameter

0.25

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