Dormer A777 HSCo Heavy Duty Jobber Drill 4.00mm OL75mm WL43mm DOR400COB

General description High-performance cobalt jobber drill bits designed for demanding drilling applications, especially in tougher materials and high-temperature environments. Suitable for use in aerospace and industrial applications, these drill bits feature a heavy-duty construction and precise geometry for optimal performance. Technical specifications Material: HSCo Cobalt steel with bronze surface treatment Point angles: 118° conical point for sizes 0.30 mm to 0.95 mm; 135° split point for sizes 1.00 mm and above Flute geometry: Standard helix, right-hand spiral, thick web Tip diameter: 4.0 mm Working length: 43 mm Overall length: 75 mm Surface treatment: Bronze coating Standards: DIN 338, NAS 907 Aerospace Specification type P3 point Compatibility and accessories Compatible with standard drill chucks and drill presses Suitable for drilling in metals, including high-tensile and aerospace-grade materials Installation Insert the drill bit into a compatible drill chuck Ensure 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: 4.0mmWorking length: 43mm.Overall length: 75mm.PTDDOR400COB