4 Flutes spiral step drill bit
4 Flutes for better cutting
CNB fully ground flute
Order No.
|
Size
|
Steps
|
Shank Size
|
STDR-10401
|
4 – 12mm
|
5 step
|
6mm/6.5mm
|
STDR-10402
|
4 – 12mm
|
9 step
|
6mm/6.5mm
|
STDR-10403
|
4 – 20mm
|
9 step
|
8mm
|
STDR-10404
|
4 – 22mm
|
10 step
|
8mm
|
STDR-10405
|
4 – 30mm
|
14 step
|
10mm
|
STDR-10406
|
4 – 39mm
|
14 step
|
10mm
|
STDR-10407
|
5 – 35mm
|
13 step
|
13mm
|
STDR-10408
|
6 – 18mm
|
7 step
|
10mm
|
STDR-10409
|
6 – 20mm
|
8 step
|
10mm
|
STDR-10410
|
6 – 24mm
|
10 step
|
10mm
|
STDR-10411
|
6 – 32mm
|
8 step
|
10mm
|
STDR-10412
|
14 – 24mm
|
6 step
|
13mm
|
STDR-10413
|
14 – 25mm
|
7 step
|
13mm
|
STDR-10414
|
20 – 34mm
|
8 step
|
13mm
|
STDR-10415
|
10 – 20mm
|
11 step
|
10mm
|
STDR-10416
|
20 – 30mm
|
11 step
|
13mm
|
STDR-10417
|
5 – 28.3mm
|
10 step
|
10mm
|
STDR-10418
|
6 – 30mm
|
13 step
|
10mm
|
STDR-10419
|
6 – 38mm
|
12 step
|
10mm
|
STDR-10420
|
6 – 26.75mm
|
7 step
|
10mm
|
STDR-10421
|
6 – 39mm
|
12 step
|
10mm
|
STDR-10422
|
6 – 37mm
|
12 step
|
10mm
|
STDR-10423
|
6 – 32mm
|
9 step
|
10mm
|
STDR-10424
|
6 – 40mm
|
16 step
|
13mm
|
STDR-10425
|
4 – 32mm
|
15 step
|
10mm
|