- High speed steel construction
- Balanced double flute for clean, burr-free holes
- Freer cutting, cooler running
- Self starting point, does not require a pilot hole
|
| Product No. |
Steps |
Hole Sizes |
Shank |
| SB-338 |
3 |
1/4", 7/8" & 1-1/8" |
3/8" |
| SB-1238 |
12 |
3/16", 1/4", 5/16", 3/8", 7/16", 1/2",
9/16", 5/8",11/16",
3/4", 13/16" & 7/8" |
3/8" |
| SB-1314 |
13 |
1/8", 5/32", 3/16", 7/32", 1/4", 9/32",
5/16", 11/32", 3/8",
13/32", 7/16", 15/32" & 1/2" |
1/4" |
| SB-838 |
8 |
9/16", 5/8, 11/16", 3/4", 13/16", 7/8",
15/16" & 1" |
3/8" |
| SB-938 |
9 |
1/4", 5/16", 3/8", 7/16", 1/2", 9/16",
5/8",11/16" & 3/4" |
3/8" |
| SB-1138 |
1 |
7/8" Hole for 1/2" Conduit |
3/8" |
| SB-614 |
6 |
3/16", 1/4" 5/16", 3/8", 7/16", & 1/2" |
1/4" |
| SB-1012 |
5 |
7/8", 1-1/8", 1-1/4", 1-7/32" & 1-3/8" |
1/2" |
Step Drill Cross Reference Guide
| Product No. |
Unibit |
Lenox |
Klein |
Milwaukee |
Greenlee |
| SB-338 |
— |
VB11 |
— |
48-89-9135 |
36413 |
| SB-1238 |
4 |
VB8 |
59014 |
48-89-9130 |
34403 |
| SB-1314 |
1 |
VB1 |
59001 |
48-89-9100 |
34401 |
| SB-838 |
20 |
VB2 |
59002 |
48-89-9110 |
— |
| SB-938 |
3 |
VB3 |
59003 |
48-89-9105 |
— |
| SB-1138 |
11 |
VB7 |
59008 |
48-89-9115 |
34411 |
| SB-614 |
2 |
VB4 |
59005 |
— |
36402 |
| SB-1012 |
21 |
VB12 |
59004 |
— |
— |
|
Cutting Tools 
