Series A1244 HSS-Co Straight Shank Jobber Drill Metric for high tensile and work-hardening materials, stainless steels (austenitic) (300 series), heat resistant steels, titanium, hard bronze, special alloys. Features and Benefits High speed steel construction for durability Cobalt addition for more rigidity Ideal for high tensile and work-hardening materials Specifications Point angle: 130 Tolerance of diameter: h8 Tolerance of shank: f11 BS 328, DIN 338 Typical Applications For high tensile and work-hardening materials Stainless steels Heat resistant steels Titanium Hard bronze Special alloys