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OSTAR Tools --> Products --> Cutting for metal --> Step Drills --> Straight Flute Step Drills
 
HSS Step Drill Bits
            
Art No.
Size
Steps
Shank Size
30601011
4 - 12mm
5 step
6mm/6.5mm
30601012
4 - 12mm
9 step
6mm/6.5mm
30601013
4 - 20mm
9 step
8mm
30601014
4 - 22mm
10 step
8mm
30601015
4 - 30mm
14 step
10mm
30601016
4 - 39mm
14 step
10mm
30601017
5 - 35mm
13 step
13mm
30601018
6 - 18mm
7 step
10mm
30601019
6 - 20mm
8 step
10mm
30601020
6 - 24mm
10 step
10mm
30601021
6 - 32mm
8 step
10mm
30601022
14 - 24mm
6 step
13mm
30601023
14 - 25mm
7 step
13mm
30601024
20 - 34mm
8 step
13mm
30601025
10 - 20mm
11 step
10mm
30601026
20 - 30mm
11 step
13mm
30601027
5 - 28.3mm
10 step
10mm
30601028
6 - 30mm
13 step
10mm
30601029
6 - 38mm
12 step
10mm
30601030
6 - 26.75mm
7 step
10mm
30601031
6 - 39mm
12 step
10mm
30601032
6 - 37mm
12 step
10mm
30601033
6 - 32mm
9 step
10mm
30601034
6 - 40mm
16 step
13mm
30601035
4 - 32mm
15 step
10mm
 
Art No.
Size
Steps
Shank Size
30601001
3/16" - 1/2"
6 step
1/4"
30601002
1/8" - 1/2"
13 step
1/4"
30601003
1/4" - 3/4"
9 step
3/8"
30601004
3/16" - 7/8"
12 step
3/8"
30601005
7/16" - 1 1/8"
12 step
3/8"
30601006
1/4" - 1 1/2"
11 step
1/2"
30601007
1/2" - 1"
9 step
3/8"
30601008
9/16" - 1"
8 step
3/8"
30601009
3/4" - 1 3/8"
11 step
1/2"
30601010
13/16" - 1 3/8"
10 step
1/2"
 
Item No.
Size
Steps
Shank Size
30601040
3/8" - 1/2"

2

1/4" with 3 flats
30601041
7/8"
1
3/8" with 3 flats
30601042
7/8" - 1 1/8"
2
3/8" with 3 flats
 
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