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

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High Speed Cobalt (HSCo) provides superior hot hardness when drilling 135 degree split point provides self centering, low thrust and easier penetration Heavy Duty design provided increase strength for drilling difficult materials Bronze finish identifies Cobalt based substrate and reduces built-up-edge For use on machines or hand held applications