A777 2.50MM HSCo Heavy Duty Jobber Drill Dormer

ManoMano

General description Dormer A777 Heavy-duty Cobalt jobber drill designed for high-performance drilling in tougher materials, particularly suited for the Aerospace Industry where greater heat is generated during drilling. Technical specifications Tip diameter: 2.50 mm Working length: 30 mm Overall length: 57 mm 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 Aerospace Specification type P3 Point) Surface Treatment: Bronze Material: HSCo Cobalt steel DIN 338 RN / BS328 / ISO235

Power Tools Direct

A777 Metric Cobalt Jobber Drill Bits have a heavy-duty 135° split point for use when greater heat is generated during drilling e.g on higher tensile tougher materials and in particular the Aerospace Industry. Specification Flute Geometry: Standard Helix Right hand spiral Thick WebPoint Angle: 0.30 mm - 0.95 mm 118° Conical point1.00 mm to 1.40 mm inclusive 135° 4 facet point1.50 mm and above 135° split point sizes (Split point geometry to NAS 907 Aerospace Specification type P3 Point) Surface Treatment: BronzeMaterial: HSCo Cobalt steel DIN 338 RN / BS328 / ISO 235Tip diameter: 2.50mmWorking length: 30mm.Overall length: 57mm.PTDDOR250COB

Amazon

165 degree split point - helps with self-centering and reduces the push force required Bronze oxide finish - Prevents work piece material from sticking to the cutting edge Improved accuracy - with more accurate holes and a better quality of finish Premium HSCO material - Can be used for drilling hard materials including tool steels Heavy duty design - Recommended to be used for difficult materials and applications