Dormer A777 HSCo Heavy Duty Jobber Drill 3.20mm OL65mm WL36mm DOR320COB

General description This high-performance Dormer A777 Heavy-Duty Cobalt Jobber Drill is specifically designed for heavy-duty drilling applications, particularly in tougher materials and the aerospace industry. It features a 135° split point that enhances precision and efficiency, reducing walking and ensuring clean holes. Technical specifications Material: HSCo Cobalt Steel (DIN 338 RN / BS 328 / ISO 235) Tip Diameter: 3.20 mm Working Length: 36 mm Overall Length: 65 mm Point Angle: 118° for sizes 0.30 mm - 0.95 mm; 135° for sizes 1.00 mm to 1.40 mm; 135° split point for sizes 1.50 mm and above (NAS 907 Aerospace Specification P3 Point) Surface Treatment: Bronze Flute Geometry: Standard Helix, Right hand spiral, Thick Web Compatibility and accessories Compatible with standard drill chucks Compatible with drill presses Installation Insert the drill bit into a compatible drill chuck, ensuring it is securely tightened Use appropriate speed and pressure based on the material being drilled

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: 3.20mmWorking length: 36mm.Overall length: 65mm.PTDDOR320COB