Dormer A7771.5 A777 Hsco Heavy-Duty Jobber Drill 1.50Mm Ol:40Mm Wl:18Mm
by DORMER
£4.00from 3 retailers
GTIN07320760375891
EAN7320760375891
MPNDOR150COB
Prices updated 17 Mar 2026
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Product 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 WebPoint Angle: 0.30 mm - 0.95 mm 118° Conical point1.00 mm to 1.40 mm inclusive 135° 4 facet point1.50 mm and above 135° split point sizes (Split point geometry to NAS 907 Aerospace Specification type P3 Point) Surface Treatment: BronzeMaterial: HSCo Cobalt steel DIN 338 RN / BS328 / ISO 235Tip diameter: 1.50mmWorking length: 18mm.Overall length: 40mm.PTDDOR150COB
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