Step Drill Bit with Straight Flute
China | European | American | Japanese | HRC |
HSS6542 | HSS | M2 | SKH-51 | 63-65 |
HSS Co5 | HSS-E | M35 | SKH-55 | 64-66 |
Order No
|
Size
|
Steps
|
Shank Size
|
STDR-20001
|
4 – 12mm
|
5 step
|
6mm/6.5mm
|
STDR-20002
|
4 – 12mm
|
9 step
|
6mm/6.5mm
|
STDR-20003
|
4 – 20mm
|
9 step
|
8mm
|
STDR-20004
|
4 – 22mm
|
10 step
|
8mm
|
STDR-20005
|
4 – 30mm
|
14 step
|
10mm
|
STDR-20006
|
4 – 39mm
|
14 step
|
10mm
|
STDR-20007
|
5 – 35mm
|
13 step
|
13mm
|
STDR-20008
|
6 – 18mm
|
7 step
|
10mm
|
STDR-20009
|
6 – 20mm
|
8 step
|
10mm
|
STDR-20010
|
6 – 24mm
|
10 step
|
10mm
|
STDR-20011
|
6 – 32mm
|
8 step
|
10mm
|
STDR-20012
|
14 – 24mm
|
6 step
|
13mm
|
STDR-20013
|
14 – 25mm
|
7 step
|
13mm
|
STDR-20014
|
20 – 34mm
|
8 step
|
13mm
|
STDR-20015
|
10 – 20mm
|
11 step
|
10mm
|
STDR-20016
|
20 – 30mm
|
11 step
|
13mm
|
STDR-20017
|
5 – 28.3mm
|
10 step
|
10mm
|
STDR-20018
|
6 – 30mm
|
13 step
|
10mm
|
STDR-20019
|
6 – 38mm
|
12 step
|
10mm
|
STDR-20020
|
6 – 26.75mm
|
7 step
|
10mm
|
STDR-20021
|
6 – 39mm
|
12 step
|
10mm
|
STDR-20022
|
6 – 37mm
|
12 step
|
10mm
|
STDR-20023
|
6 – 32mm
|
9 step
|
10mm
|
STDR-20024
|
6 – 40mm
|
16 step
|
13mm
|
STDR-20025
|
4 – 32mm
|
15 step
|
10mm
|
Order No.
|
Size
|
Steps
|
Shank Size
|
STDR-21003
|
1/4″ – 3/4″
|
9 step
|
3/8″
|
STDR-21004
|
3/16″ – 7/8″
|
12 step
|
3/8″
|
STDR-21005
|
7/16″ – 1 1/8″
|
12 step
|
3/8″
|
STDR-21006
|
1/4″ – 1 1/2″
|
11 step
|
1/2″
|
STDR-21007
|
1/2″ – 1″
|
9 step
|
3/8″
|
STDR-21008
|
9/16″ – 1″
|
8 step
|
3/8″
|
STDR-21009
|
3/4″ – 1 3/8″
|
11 step
|
1/2″
|
STDR-21010
|
13/16″ – 1 3/8″
|
10 step
|
1/2″
|