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⚡ Rock Bottom Prices. Maximum Choice.⚡
⚡ Rock Bottom Prices. Maximum Choice.⚡
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

by Dormer
SKU DOR420COB-TOOLBANK
£7.99 - £7.99
£7.99
£7.99 - £7.99
£7.99
Availability:
in stock, ready to be shipped

Est Delivery 3 - 7 Working Day

Shipping information


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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.

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