A777 HSCo Heavy-Duty Jobber Drill 8.50mm OL: 117mm WL: 75mm
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A777 HSCo Heavy-Duty Jobber Drill 8.50mm OL: 117mm WL: 75mm

£31.03
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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

In stock
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SKU: DOR850COB
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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

Additional information

Weight 0.038 kg
Dimensions 0.9 × 0.9 × 11.7 cm

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