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A777 Metric Cobalt Jobber Drill Bits Imperial - Various Sizes
Quick Overview
A777 Imperial 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.
Description
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 Areospace Specification type P3 Point)
Surface Treatment: Bronze
Material: HSCo Cobalt steel
