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1/8 In. to 1/2 In. Titanium-Coated Step Drill Bit
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SDT1
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 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 | All common drilling needs |
| Diameter | 1/8" to 1/2" |
| Flute Length | 2.0 |
| Increments | 1/32" |
| Length | 3.0" |
| Number of Hole Sizes | 13.0 |
| Shank Diameter | 0.25 |
| Step Depth | 1/8" |
SDT1
SDT1
SDT10
SDT12
SDT2
SDT3
SDT4
SDT5
SDT6
SDT7
SDT8
SDT9
Other sizes
SDT10
Diameter
1/4" to 1-3/8"
Increments
1/8"
Step Depth
1/8"
Number of Hole Sizes
10
Shank Diameter
0.375
SDT12
Diameter
3/8"
Increments
N/A
Step Depth
N/A
Shank Diameter
0.25
SDT2
Diameter
3/16" to 7/8"
Increments
1/16"
Step Depth
1/8"
Number of Hole Sizes
12
Shank Diameter
0.375
SDT3
Diameter
1/4" to 3/4"
Increments
1/16"
Step Depth
1/8"
Number of Hole Sizes
9
Shank Diameter
0.375
SDT4
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
SDT5
Diameter
7/8"
Increments
N/A
Step Depth
N/A
Number of Hole Sizes
1
Shank Diameter
0.375
SDT6
Diameter
3/16" to 1/2"
Increments
1/16"
Step Depth
3/8"
Number of Hole Sizes
6
Shank Diameter
0.25
SDT7
Diameter
9/16" to 1"
Increments
1/16"
Step Depth
1/8"
Number of Hole Sizes
8
Shank Diameter
0.375
SDT8
Diameter
1/2"
Increments
N/A
Step Depth
N/A
Number of Hole Sizes
1
Shank Diameter
0.25
SDT9
Diameter
13/16" to 1-3/8"
Increments
1/16"
Step Depth
1/8"
Number of Hole Sizes
10
Shank Diameter
0.5