Dormer A777 HSCo Heavy Duty Jobber Drill 8.00mm OL117mm WL75mm DOR800COB

General description This is a high-quality Dormer A777 heavy-duty jobber drill bit designed for precise drilling in various materials, particularly in the Aerospace Industry where greater heat is generated during drilling. It features a durable HSS-E (High-Speed Steel with cobalt) construction, ensuring longevity and efficient cutting performance. The drill bit is suitable for both professional and DIY use, providing reliable results for different drilling tasks. Technical specifications Nominal diameter: 8.0 mm (h8 tolerance) Overall length: 117 mm Working length: 75 mm Point angle: 135° Cutting material: HSS-E (High-Speed Steel with cobalt) Surface treatment: Bronze oxidation coating Flute Geometry: Standard Helix, Right hand spiral, Thick Web Depth of drilling: 4 times the diameter (4xD) Model: A777 Norm: DIN 338 Compatibility and accessories Compatible with standard drill chucks and drill machines Suitable for drilling in metal, wood, and plastic materials Installation Insert the

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: 8.0mmWorking length: 75mm.Overall length: 117mm.PTDDOR800COB