Innovative metal drill with new stepped geometry and centering drill for very easy self-centering on pipes.

Areas of application:
– High-quality steel, cast iron, stainless steel up to 1200 N/mm, non-ferrous metal, aluminum, PVC, plexiglass, wood
– Ideal for through holes such as pipes, stainless steel plates, with hand drills
– Drilling out existing holes
– Drilling rivets or bolts

Characteristics:
– Faster drilling progress compared to other DIN338 stepped head drills
– Very sharp, well-cutting drill point with simultaneous short chip removal to the shank
– Perfect round holes
– New head with innovative step geometry
– Wear protection and service life 3 times higher than uncoated or tempered CO5 version
– 338 HSS CO 5% with TiAlN head coating
– No hooks at the end of the drill hole
– Very good finish on both sides of the material
– Very good self-centering ability, especially on round surfaces such as pipes or angled surfaces
– Head with pilot drill
– Faster chip removal
– Variable spiral
– No slipping in the drill chuck
– 3-sided shaft

Specifications:
Brand: Berner
Model: Cobra Step Premium
Type: Twist drill
Diameter: 4 mm
Working length: 37 mm
Total length: 75 mm
Standard: DIN 338
Type of drill: Ground
Point angle: 118
Material: HSCO5% TiAlN
Cobalt share: 5%
Color: Silver