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heavy-duty Cobalt jobber drill for use when greater heat isgenerated during drilling, e.g on higher tensile tougher materialsand in particular the Aerospace Industry.

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 toNAS 907 Areospace Specification type P3 Point)

Surface Treatment: Bronze
Material: HSCo Cobalt steel

DIN 338 RN / BS328 / ISO235

Not available in store
DescriptionCodePrice INC VATBasket
Dormer A777 8.60mm Hs Cobalt Jobber DrillDOR850COB£27.84 Save 3%
Dormer A777 8.60mm Hs Cobalt Jobber Drill