HSS-E Jobber Drill (A147). HSS-E Jobber Drill specifically for machining stainless steel and Titanium Alloys. An ideal maintenance drill for the Food and Beverage, Petrochemical, Marine and Power Generation industries. Features and Benefits. Manufactured from Cobalt material for increased tool life Thinned point for lower thrust requirement Longer tool life up to 3 times more than standard Cobalt jobber drills Multiple diameters available Manufactured to DIN 338 standard