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Dormer A777 HSCo Heavy-Duty Jobber Drill 3.30mm OL:65mm WL:36mm

Product Code: DOR330COB
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Dormer

Dormer A777 Heavy-duty Cobalt jobber drill for use when greater heat is generated during drilling, e.g on higher tensile, tougher materials and in particular the Aerospace Industry.

Specifications:
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

DIN 338 RN / BS328 / ISO235

Tip diameter: 3.30mm
Working length: 36mm.
Overall length: 65mm.