A777 HSCo Cobalt Heavy-Duty Jobber Drill Bits Metric

 

  • A777 Metric Cobalt Jobber Drill Bits have a heavy-duty, 135° split point for use when greater heat is generated during drilling, e.g on higher tensile tougher materials and in particular the Aerospace Industry.

    Specification

    Flute Geometry: Standard Helix, Right hand spiral, Thick Web
    Point Angle:
    0.30 mm - 0.95 mm 118° Conical point
    1.00 mm to 1.40 mm inclusive 135° 4 facet point
    1.50 mm and above 135° split point sizes (Split point geometry to NAS 907 Aerospace Specification type P3 Point)

    Surface Treatment: Bronze
    Material: HSCo Cobalt steel

    DIN 338 RN / BS328 / ISO 235

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