Dormer A777 Heavy-Duty Jobber Drill Bit Pack of 10 9 mm x 125 mm

General description Dormer A777 Metric Cobalt Jobber Drill Bits are designed for heavy-duty applications, particularly effective when drilling tougher materials that generate greater heat, such as those found in the Aerospace Industry. The drill features a 135° split point for enhanced performance. Technical specifications Tip diameter: 9.0 mm Working length: 81 mm Overall length: 125 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°), 1.50 mm and above (135° split point) Surface Treatment: Bronze Material: HSCo Cobalt steel Standards: DIN 338 RN / BS328 / ISO 235

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: 9.0mmWorking length: 81mm.Overall length: 125mm.PTDDOR900COB