HSS step drill bit set 1/4 shank hexagon
China | European | American | Japanese | HRC |
HSS6542 | HSS | M2 | SKH-51 | 63-65 |
Order No
|
Size
|
Steps
|
Shank Hexagon
|
STDR-22001
|
4 – 12mm
|
9 step
|
1/4
|
STDR-22002
|
4 – 20mm
|
9 step
|
1/4
|
STDR-22003
|
4 – 30mm
|
14 step
|
1/4
|
STDR-22004
|
1/8-1/2
|
13 step
|
1/4
|
STDR-22005
|
3/16-1/2
|
6 step
|
1/4
|
STDR-22006
|
1/4-3/4
|
9 step
|
1/4
|
STDR-22007
|
9/16-1
|
8 step
|
1/4
|