Dormer A7776.8 A777 Hsco Heavy-Duty Jobber Drill 6.80Mm Ol:109Mm Wl:69Mm DOR680COB
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Dormer A7776.8 A777 Hsco Heavy-Duty Jobber Drill 6.80Mm Ol:109Mm Wl:69Mm DOR680COB | £9.91 | ![]() | |||
Dormer A777 6.80MM HSCo Heavy Duty Jobber Drill | £10.29 | ![]() | |||
Dormer A777 HSS-E Cobalt Jobber Drill Bits A7776.8 | £101.95 | ![]() | |||
Dormer A777 HSS-E Cobalt Jobber Drill Bits 6.8mm Pack of 10 A7776.8 | £101.95 | ![]() | |||
Dormer A777 HSS-E Cobalt Jobber Drill Bits 6.8mm Pack of 10 A7776.8 | £101.95 | ![]() |
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: 6.80mmWorking length: 69mm.Overall length: 109mm.PTDDOR680COB
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