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    Product description

    Cobalt countersinks with transverse hole

    Application: especially suitable for materials forming a long chip, for deburring a hole, for excavating a space for countersinking the screw head


    • 90 ° angle
    • head with transverse hole
    • cylindrical shank
    • cobalt (HSS-Co. 5%)


    • It removes the chip out of the drilled material and creates an absolutely clean edge of the recess.
    • Compared to HSS countersinks, it has higher heat resistance and higher hardness.

    Used in: steel, cast iron, non-ferrous and light metals, V2A and V4A stainless steel, steels with strength up to 1200 N / mm2.

    Recommendation: use cutting paste or threading oil when working.

    Packed in: tubes for hanging

    Product Parameters

    Shank type:
    Made of:
    HSS-Co. 5 %

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