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Power Tools for Professionals

SDT3

Bosch_Step_Drill_Bit_SDT1_SDT10_SDT11_SDT12_SDT2_SDT3_SDT4_SDT5_(EN)(2).png
1/4 In. to 3/4 In. Titanium-Coated Step Drill Bit

The Bosch line of step drills offers the ability to drill up to 13 different size holes with a single bit. Step drill bits are ideal for electrical, plumbing and HVAC contractors. Titamium-coated step drill bits remain clean and accurate even in the toughest materials; superior durability that lasts up to six times longer life than high-speed steel.

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Technical Data

Specification
Application Ideal for cutting medium size holes
Diameter 1/4" to 3/4"
Flute Length 1.49
Increments 1/16"
Length 2.79"
Number of Hole Sizes 9.0
Shank Diameter 0.375
Step Depth 1/8"

Benefits

  • Super-hard titanium coating lasts up to six times longer than high-speed steel
  • Self-starting point starts on contact
  • Balanced double flute eliminates chatter and vibration
  • Titanium reduces heat for longer life
  • Drills clean, accurate holes in these thin materials (up to 1/8 In.): sheet metal, ducts, steel, copper, brass, aluminum, plastic, plexiglass, wood, veneers, vinyl siding, plasterboard, PVC, stainless steel and cast iron

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

3/8"

Increments

N/A

Step Depth

N/A

Shank Diameter

0.25

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

Increments

1-1/8"

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

Diameter

13/16" to 1-3/8"

Increments

1/16"

Step Depth

1/8"

Number of Hole Sizes

10

Shank Diameter

0.5

Contact Us

Call our Service Hotline or use our contact form.

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

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

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