| |
INCH
SYSTEM STEP DRILL |
| NO.OF
HOLES |
HOLE
SIZE
&INCEREMENTS |
SHANK
DIA. |
13 |
1/8-1/2 |
1/4 |
| 6 |
3/16-1/2 |
1/4 |
9 |
1/4-3/4 |
3/8 |
| 12 |
3/16-7/8 |
3/8 |
10 |
1/4-1-3/8 |
3/8 |
| |
|
|
 |
|
|
METRIC
SYSTEM STEP DRILL |
| NO.OF
HOLES |
HOLE
SIZE
&INCEREMENTS |
SHANK
DIA. |
10 |
3.0-12.0 |
6.0/6.5 |
9 |
4.0-12.0 |
6.0/6.5 |
5 |
4.0-12.0 |
6.0/6.5 |
7 |
6.0-12.0 |
6.0/6.5 |
9 |
4.0-20.0 |
8.0 |
8 |
6.0-20.0 |
8.0 |
10 |
4.0-22.0 |
10/9.5 |
14 |
4.0-30.0 |
10/9.5 |
15 |
4.0-32.0 |
10/9.5 |
13 |
6.0-30.0 |
10/9.5 |
13 |
6.0-35.0 |
10/9.5 |
|
. |
|
|
 |
|
STEP
DRILL WITH HEX SHANK |
| NO.OF
HOLES |
HOLE
SIZE
&INCEREMENTS |
SHANK
DIA. |
5 |
4-12 |
1/4HEX |
10 |
4-12 |
9 |
4-12 |
10 |
4-20 |
13 |
1/8-1/2 |
6 |
3/16-1/2 |
9 |
1/4-3/4 |
|
. |
|
 |
