Dormer A777 HSCo Heavy-Duty Jobber Drill 4.20mm OL:75mm WL:43mm

Description

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

Tip diameter: 4.20mm
Working length: 43mm.
Overall length: 75mm.

Read more

Dormer A777 HSCo Heavy-Duty Jobber Drill 4.20mm OL:75mm WL:43mm

Product form

A777 Metric Cobalt Jobber Drill Bits have a heavy-duty, 135° split point for use when greater heat is generated during... Read more

SKU: DOR420COB-TOOLBANK
Barcode: 7320760375129

    £0.00 Incl. VAT

    Description

    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

    Tip diameter: 4.20mm
    Working length: 43mm.
    Overall length: 75mm.

    Read more

    • The image is for illustration purposes only

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    Dormer A777 HSCo Heavy-Duty Jobber Drill 4.20mm OL:75mm WL:43mm Dormer - RockBottom Northampton

    Dormer A777 HSCo Heavy-Duty Jobber Drill 4.20mm OL:75mm WL:43mm

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