25 piece drill kit containing drill sizes 1.0mm to 13.0mm in 0.5mm steps, supplied in a metal storage box.

Alpen HSS cobalt jobber drills contain 5% cobalt alloy. Self-centering, they have a high heat-resistance for drilling steels with tensile strengths over 800 N/mm².

Particularly suitable for high alloyed steels, bearing-steels, hot/cold-rolled steel. Ideal for stainless steel.

Key Features:
High-Speed Cobalt
Up to 600-degree thermal stress tolerance
DIN338
Straight Shank
25 x Metric Sizes
Sizes 1.0 - 13.0 mm in 0.5 mm steps.
Cross cut point.
Supplied in a metal dispenser.