Dormer A777 HSS E High Speed (8%) Cobalt Jobber Drill Bit with 135 Degree Split Point, Pack of 10pcs

General description A777 Metric Cobalt Jobber Drill Bits are high-quality, heavy-duty drill bits designed for metal drilling, particularly effective on tougher materials such as steel, cast iron, titanium, nickel, stainless steel, copper, magnesium, aluminum, and ceramic metals. They feature a 135° split point that minimizes heat generation during drilling, making them ideal for applications in the Aerospace Industry. Technical specifications Material: HSCo Cobalt steel Tip diameter: 4.50 mm Working length: 47 mm Overall length: 81 mm Flute Geometry: Standard Helix, Right hand spiral 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 Standards: DIN 338 RN / BS328 / ISO 235 Compatibility and accessories Compatible with standard drill chucks and drill presses Suitable for use with metalworking tools and accessories designed for HSS drills Installation Insert the drill bit into a