Product Code: DOR850COB
Application: 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: 0.30mm - 0.95 mm 118º Conical point 1.00mm to 1.40mm inclusive 135º 4 facet point 1.50mm and above 135º 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
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