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Dormer A777 HSCo Heavy-Duty Jobber Drill 10.50mm
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Dormer A777 HSCo Heavy-Duty Jobber Drill 10.50mm£35.55£42.66
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Product Code: DOR1050COB

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.

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