HSS COBALT DRILL BIT SET 19 PIECE 1.0-10.0MM X 0.5MM IN PLASTC CASE
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19 Piece Cobalt drill bit set Alpen HSS-ECo Cobalt KP19 Jobber drill set in plastic cassette 19 pcs. ø 1.0-10.0 mm. Range of application: 5% cobalt-alloyed jobber drills with high heat-resistance for drilling steels with tensile strength over 800 N/mm², especially suitable for high alloyed steels, bearing-steels, hot/cold-rolled steel. Ideal for stainless steel. For drilling into: Structural steels < 400 N/mm² Free cutting steels < 850 N/mm² Unalloyed heat treatable steels < 1.100 N/mm² Alloyed heat treatable steels < 1.300 N/mm² Copper, brass, aluminium Stainless steels Grey cast iron, malleable cast iron Plastics Strengths HIGHLY ACCURATE special shape, drills without center-punching BREAK RESISTANT thanks to CNC heat treatment INDUSTRIAL QUALITY suitable for NC machines SELF-CENTRING thanks to special point shape TEMPERATURE RESISTANT Up to 600° C drilling even with the highest thermal stress FAST due to special drill grinding fast drilling progress and up to 50% less feed pressure required