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SDT8
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.
*Note | Drill bits (or extension + drill bit) in excess of 8" should never exceed 600 RPM |
Application | Knockout |
Diameter inch | 1/2" |
Flute Length in | 2.0 |
Length in | 3.0" |
Number of Hole Sizes | 1.0 |
Pack Quantity | 1 |
Shank Diameter in | 0.25 |
Step Depth | N/A |
Step Height in | N/A |
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
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
Diameter inch
3/8"
Step Height in
N/A
Step Depth
N/A
Shank Diameter in
0.25
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
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
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
Diameter inch
7/8"
Step Height in
N/A
Step Depth
N/A
Number of Hole Sizes
1
Shank Diameter in
0.375
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
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
Diameter inch
13/16" to 1-3/8"
Step Height in
1/16"
Step Depth
1/8"
Number of Hole Sizes
10
Shank Diameter in
0.5