19 Piece Cobalt Drill Bit Set

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

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