Dormer DOR250COB A777 HSCo Heavy-Duty Jobber Drill 2.50mm OL:57mm WL:30mm
Dormer DOR250COB A777 HSCo Heavy-Duty Jobber Drill 2.50mm OL:57mm WL:30mm

Dormer DOR250COB A777 HSCo Heavy-Duty Jobber Drill 2.50mm OL:57mm WL:30mm

SKU: DOR250COB
Tip diameter: 2.50mm Working length: 30mm. Overall length: 57mm. 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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  • Description
    • Product Code: DOR250COB
    • Brand: Dormer
    • Barcode: 7320760374870
    • Category: Power Tool Accessories

    Tip diameter: 2.50mm
    Working length: 30mm.
    Overall length: 57mm.

    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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