General description SwissTech 13.00MM Heavy Duty Cobalt Stub Drill is designed for high-performance drilling in tough materials. Made from cobalt high-speed steel, this drill offers excellent heat resistance and durability, making it ideal for drilling steels up to 1,400N/mm², stainless steel, heat-resistant steels, and bronze. It is particularly suited for volume production on automatic machines. Technical specifications Drill Diameter: 13mm Flute Length: 51mm Overall Length: 102mm Point Angle: 135° Web Thickness: Form C Cutting Direction: Right Hand Finish/Coating: Bright Flute Type: Spiral Helix Type: Normal Helix Material: Cobalt High Speed Steel Drill Diameter Tolerance: h8 Shank Diameter Tolerance: f11 Standards Met: DIN 1897RN, BS 328, DIN 1412C Other information