ALPEN Cobalt HSS Jobber Drill 25 Piece Set, Metric

Description

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