Dormer A777 Heavy-duty Jobber Drill 8.0mm

Description

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