Overview Reviews Product Description HSS 135° Degree split point (self-centering) which eliminates "walking" and reduces the thrust force needed Black and gold surface treatment for maximum lubricity Ideal for hand drilling and machine applications Excellent choice for steel and stainless steel Clarkson Osborn Catalog Product Videos Custom Field Diameter 5.5mm Flute length 57mm Overall length 93mm Package quantity/sold as each 10 Product Reviews Write a Review Write a Review × Clarkson-Osborn 5.5mm HSS Two Tone Jobber Drill Bit DR04550 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *