Skip to contentMackay All
Cookieshelp us to give you the best experience on our website. By continuing to use our website we'll assume that you agree to our use of cookies. or Learn more

Application :
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 :
0.30mm - 0.95 mm 118° Conical point
1.00mm to 1.40mm inclusive 135° 4 facet point
1.50mm and above 135° split point sizes (Split point geometryto NAS 907 Areospace Specification type P3 Point)

Surface Treatment : Bronze
Material : HSCo Cobalt steel

DIN 338 RN / BS328 / ISO235

Not available in store
DescriptionCodePriceINC VATBasket
Dormer A777 Hsco Heavy-duty Jobber Drill 2.50mmDOR250COB£6.69 Save 4%
Dormer A777 Hsco Heavy-duty Jobber Drill 2.50mm