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13/16 In. to 1-3/8 In. Titanium Nitride Coated Step Drill Bit
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SDT9
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.
Benefits
Super-hard titanium-coating lasts up to six times longer than high-speed steel
Titanium-coating reduces heat for longer life
Self-starting point starts on contact
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
Balanced double flute eliminates chatter and vibration
Technical Data
| *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 inch | 13/16" to 1-3/8" |
| Flute Length in | 2.0 |
| Length in | 3.0" |
| Notes | For 1" conduit and tubing, requires 3/4" or larger pilot hole |
| Number of Hole Sizes | 10.0 |
| Pack Quantity | 1 |
| Shank Diameter in | 0.5 |
| Step Depth | 1/8" |
| Step Height in | 1/16" |
SDT9
SDT9
SDT1
SDT10
SDT12
SDT2
SDT3
SDT4
SDT5
SDT6
SDT7
SDT8
Other sizes
SDT1
Diameter inch
1/8" to 1/2"
Step Height in
1/32"
Step Depth
1/8"
Number of Hole Sizes
13
Shank Diameter in
0.25
SDT10
Diameter inch
1/4" to 1-3/8"
Step Height in
1/8"
Step Depth
1/8"
Number of Hole Sizes
10
Shank Diameter in
0.375
SDT12
Diameter inch
3/8"
Step Height in
N/A
Step Depth
N/A
Shank Diameter in
0.25
SDT2
Diameter inch
3/16" to 7/8"
Step Height in
1/16"
Step Depth
1/8"
Number of Hole Sizes
12
Shank Diameter in
0.375
SDT3
Diameter inch
1/4" to 3/4"
Step Height in
1/16"
Step Depth
1/8"
Number of Hole Sizes
9
Shank Diameter in
0.375
SDT4
Diameter inch
1/4", 7/8", 1-1/8"
Step Height in
1-1/8"
Step Depth
5/32"
Number of Hole Sizes
3
Shank Diameter in
0.375
SDT5
Diameter inch
7/8"
Step Height in
N/A
Step Depth
N/A
Number of Hole Sizes
1
Shank Diameter in
0.375
SDT6
Diameter inch
3/16" to 1/2"
Step Height in
1/16"
Step Depth
3/8"
Number of Hole Sizes
6
Shank Diameter in
0.25
SDT7
Diameter inch
9/16" to 1"
Step Height in
1/16"
Step Depth
1/8"
Number of Hole Sizes
8
Shank Diameter in
0.375
SDT8
Diameter inch
1/2"
Step Height in
N/A
Step Depth
N/A
Number of Hole Sizes
1
Shank Diameter in
0.25