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ALPEN Cobalt HSS Jobber Drill Set Metric 25 Pieces (1.0mm to 13mm)
25 piece cobalt 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