Overview Reviews Product Description HSS Black oxide finish for increased wear resistance and added lubricity 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and reduces the thrust force needed Steam oxide surface treatment increases lubricant retention and wear resistance and reduces chip welding The short flute and overall length provide maximum rigidity, hole accuracy, and tool life Suitable for various steels, stainless steel and sheet metal Clarkson Osborn Catalog Product Videos Custom Field Diameter 18.5mm Flute length 64mm Overall length 127mm Package quantity/sold as each 1 Product Reviews Write a Review Write a Review × Clarkson-Osborn 18.5mm HSS Stub Drill Bit DR83850 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *