Dormer A777 HSCo Heavy Duty Jobber Drill 3.00mm OL61mm WL33mm DOR300COB

General description This Dormer A777 Heavy-Duty Jobber Drill is designed for precise drilling in steel and superalloys, particularly in high-tensile applications such as the Aerospace Industry. It features a heavy-duty, 135° split point that minimizes heat generation during drilling, making it ideal for tougher materials. Technical specifications Diameter: 3.0 mm Total length: 61 mm Cutting length: 33 mm Shank type: Cylindrical Material: HSCo Cobalt steel Coating: Bronze oxide (bronze-colored) Standard: DIN 338 Tip angle: 135° Cutting direction: Right Depth of drilling: 4xD Tolerance: h8 Compatibility and accessories Compatible with standard drill chucks Suitable for use in drill presses Installation Insert the drill bit into a compatible drill chuck Ensure the drill is securely tightened before use Usage Use in drilling machines for creating precise holes in metal surfaces Apply appropriate cutting fluid to extend tool life and improve performance Operate at recommended speeds for

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: 3.0mmWorking length: 33mm.Overall length: 61mm.PTDDOR300COB