Dormer A777 HSCo Heavy-Duty Jobber Drill 4.20mm OL:75mm WL:43mm

Dormer

A777 Metric Cobalt Jobber Drill Bits have a heavy-duty, 135\u00B0 split point for use when greater heat is generated during drilling, e.g on higher tensile tougher materials and in particular the Aerospace Industry.\nSpecification\nFlute Geometry: Standard Helix, Right hand spiral, Thick Web\nPoint Angle: \n0.30 mm - 0.95 mm 118\u00B0 Conical point\n1.00 mm to 1.40 mm inclusive 135\u00B0 4 facet point\n1.50 mm and above 135\u00B0 split point sizes (Split point geometry to NAS 907 Areospace Specification type P3 Point)\nSurface Treatment: Bronze\nMaterial: HSCo Cobalt steel\nDIN 338 RN / BS328 / ISO 235\nTip diameter: 4.20mm\nWorking length: 43mm.\nOverall length: 75mm.\n\n--\nOur eBay Store\n\nPlease note: This item has a longer lead time for dispatch then normal as it's a non-stocked item that is ordered in, please see the estimated delivery date by eBay. We will of course ship the item sooner if possible.\n\nDormer A7774.2 A777 HSCo Heavy-Duty Jobber Drill 4.20mm OL:75mm WL:43mm\n\;