Bosch 1" p3 phillips insert bit Reference Guide

Item #

Diameter

(Increments)

Step Depth

Number of

Hole Sizes

Shank

Diameter

Application

Point Type

SDH1

1/8"–1/2" (1/32")

1/8"

1/4"

All common drilling needs

Self-starting

SDH6

3/16"–1/2" (1/16")

3/8"

1/4"

All common drilling needs

Self-starting

SDH2

3/16"–7/8" (1/16")

1/8"

3/8"

All common drilling needs

Self-starting

SDH3

1/4"–3/4" (1/16")

1/8"

3/8"

Ideal for cutting medium size holes

Self-starting

SDH4

1/4"–7/8"–1-1/8"

5/32"

3/8"

For 1/2" and 3/4" conduit

Self-starting

SDH10

1/4"–1-3/8" (1/8")

1/8"

3/8"

For 1" conduit and tubing

Self-starting

SDH8

1/2"

—

1/4"

Knockout

Self-starting

SDH7

9/16"–1" (1/16")

1/8"

3/8"

Companion bit to SDH1 for diameter range

1/8" to 1" (requires 1/2" pilot hole)

For hole enlarging

SDH9

13/16"–1-3/8" (1/16") 1/8"

1/2"

For 1" conduit and tubing (requires 3/4"

pilot hole)

For hole enlarging

SDH5

7/8"

—

3/8"

Drill perfect size holes for conduit. Ideal for

drawbolt and miniature pilot light holes

Self-starting

For more details visit

Boschtools.com

illing and F

tening

tal Dr

illing

146 | 2012/2013 Power Tools & Accessories Catalog

Step Drill Bits

Resharpenable

cutting edge

provides longer

tool life

Self-starting point

starts on contact

Three-flat shank

for reduced slippage

Balance double flute

eliminates chatter

and vibration

Super-hard titanium coating
lasts up to six times longer
than high-speed steel

High-speed steel

Bosch's line of step
drills offer the ability
to drill multiple holes
with a single bit. Cuts
are clean and accurate
even in the toughest
material. Ideal for
electrical, plumbing
and HVAC contractors.

High-Speed Steel Step Drill Bits

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

Item #

Diameter

(Increments)

Step Depth

Number of

Hole Sizes

Shank

Diameter

Application

Point Type

SDT1

1/8"–1/2" (1/32")

1/8"

1/4"

All common drilling needs

Self-starting

SDT6

3/16"–1/2" (1/16")

3/8"

1/4"

All common drilling needs

Self-starting

SDT2

3/16"–7/8" (1/16")

1/8"

3/8"

All common drilling needs

Self-starting

SDT3

1/4"–3/4" (1/16")

1/8"

3/8"

Ideal for cutting medium size holes

Self-starting

SDT4

1/4"–7/8"–1-1/8"

5/32"

3/8"

For 1/2" and 3/4" conduit

Self-starting

SDT10

1/4"–1-3/8" (1/8")

1/8"

3/8"

For 1" conduit and tubing

Self-starting

SDT8

1/2"

—

1/4"

Knockout

Self-starting

SDT7

9/16"–1" (1/16")

1/8"

3/8"

Companion bit to SDT1 for diameter range

1/8" to 1" (requires 1/2" pilot hole)

For hole enlarging

SDT9

13/16"–1-3/8" (1/16") 1/8"

1/2"

For 1" conduit and tubing (requires 3/4"

pilot hole)

For hole enlarging

SDT5

7/8"

—

3/8"

Drill perfect size holes for conduit. Ideal

for drawbolt and miniature pilot light holes Self-starting

Titanium-Coated Step Drill Bits

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