Metal Drilling

Specialty Drill Bits

Titanium Coated Step Drills

Bosch step drills offer the ability to drill up to thirteen holes with just one drill bit. Cuts are clean and accurate in even the toughest materials including sheet metal, ducts, steel, copper, brass, aluminum, plastic, plexiglass, wood, veneers, vinyl siding, plasterboard, PVC, stainless steel and cast iron up to 1/8" thick. Ideal for electrical, plumbing and HVAC contractors with jobs like running conduit, drawbolt holes, electrical knockouts, faucet installations, auto body work, running freon lines, edge boring steel and hollow doors.

•  Super hard titanium coating lasts up to 6 times longer than high speed steel •  Self starting points start on contact

•  Balanced double flute design eliminates chatter and vibration

 

Diameter Inches

Step

Number of

Shank

 

 

Item #

(Increments)

Depth

Hole Sizes

Diameter

Application

Point Type

SDT1

1/8" - 1/2" (1/32")

1/8"

13

1/4"

All common drilling needs

Self-starting

SDT6

3/16" - 1/2" (1/16")

3/8"

6

1/4"

All common drilling needs

Self-starting

SDT2

3/16" - 7/8" (1/16")

1/8"

12

3/8"

All common drilling needs

Self-starting

SDT3

1/4" - 3/4" (1/16")

1/8"

9

3/8"

Ideal for cutting medium size holes

Self-starting

SDT4

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

5/32"

3

3/8"

For 1/2" and 3/4" conduit

Self-starting

SDT10

1/4" - 1-3/8" (1/8")

1/8"

10

3/8"

For 1" conduit and tubing

Self-starting

SDT12

3/8"

N/A

1

1/4"

Knockout

Self-starting

SDT8

1/2"

N/A

1

1/4"

Knockout

Self-starting

SDT7

9/16" - 1" (1/16")

1/8"

8

3/8"

Companion bit to SDT1 for diameter

For hole enlarging

range 1/8" to 1"

 

 

 

 

 

 

SDT9

13/16" - 1-3/8" (1/16")

1/8"

10

1/2"

For 1" conduit and tubing

For hole enlarging

SDT5

7/8"

N/A

1

3/8"

Drill perfect size holes for conduit. Ideal for

Self-starting

drawbolt and miniature pilot light holes

 

 

 

 

 

 

SDT11

1-1/8"

N/A

1

1/2"

Knockout

Self-starting

 

 

 

 

 

 

 

High Speed Steel Step Drills

Bosch step drills offer the ability to drill up to thirteen holes with just one drill bit. Cuts are clean and accurate in even the toughest materials including sheet metal, ducts, steel, copper, brass, aluminum, plastic, plexiglass, wood, veneers, vinyl siding, plasterboard, PVC, stainless steel and cast iron up to 1/8" thick. Ideal for electrical, plumbing and HVAC contractors with jobs like running conduit, drawbolt holes, electrical knockouts, faucet installations, auto body work, running freon lines, edge boring steel and hollow doors.

•  Self starting points start on contact

•  Balanced double flute design eliminates chatter and vibration

 

Diameter Inches

Step

Number of

Shank

 

 

Item #

(Increments)

Depth

Hole Sizes

Diameter

Application

Point Type

SDH1

1/8" - 1/2" (1/32")

1/8"

13

1/4"

All common drilling needs

Self-starting

SDH6

3/16" - 1/2" (1/16")

3/8"

6

1/4"

All common drilling needs

Self-starting

SDH2

3/16" - 7/8" (1/16")

1/8"

12

3/8"

All common drilling needs

Self-starting

SDH3

1/4" - 3/4" (1/16")

1/8"

9

3/8"

Ideal for cutting medium size holes

Self-starting

SDH4

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

5/32"

3

3/8"

For 1/2" and 3/4" conduit

Self-starting

SDH10

1/4" - 1-3/8" (1/8")

1/8"

10

3/8"

For 1" conduit and tubing

Self-starting

SDH12

3/8"

N/A

1

1/4"

Knockout

Self-starting

SDH8

1/2"

N/A

1

1/4"

Knockout

Self-starting

SDH7

9/16" - 1" (1/16")

1/8"

8

3/8"

Companion bit to SDH1 for diameter

For hole enlarging

range 1/8" to 1"

 

 

 

 

 

 

SDH9

13/16" - 1-3/8" (1/16")

1/8"

10

1/2"

For 1" conduit and tubing

For hole enlarging

SDH5

7/8"

N/A

1

3/8"

Drill perfect size holes for conduit. Ideal for

Self-starting

drawbolt and miniature pilot light holes

 

 

 

 

 

 

SDH11

1-1/8"

N/A

1

1/2"

Knockout

Self-starting

NOTE: Drill bits (or extension + drill bit) in excess of 8" should never exceed 600 RPM.

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Bosch Power Tools SG45M manual Specialty Drill Bits, Titanium Coated Step Drills, High Speed Steel Step Drills