Dormer A77710.5 A777 HSCo Heavy Duty Jobber Drill Bit 10.50mm OL:133mm WL:87mm

General description This is a high-quality Dormer A777 Hsco Heavy-Duty Jobber Drill designed for precise drilling in various materials, particularly in the Aerospace Industry. It features a heavy-duty, 135° split point that is effective for drilling tougher materials where greater heat is generated. The drill bit is made from HSS-E (High-Speed Steel with cobalt), ensuring durability and heat resistance. Technical specifications Tip diameter: 10.50 mm Working length: 87 mm Overall length: 133 mm Cutting direction: Right-hand Material: HSS-E (cobalt high-speed steel) Model: A777 Diameter tolerance: h8 Maximum drilling depth: 4xD Spiral length: 87 mm Tip angle: 135° 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 Surface Treatment: Bronze Compliance: DIN 338 RN / BS328 / ISO 235 Compatibility and accessories Compatible with standard