General description SwissTech 7.00MM 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: 7mm Drill Diameter Tolerance: h8 Flute Length: 34mm Overall Length: 74mm Point Angle: 135° Number of Flutes: 2 Material: Cobalt High Speed Steel Finish/Coating: Bright Helix Type: Normal Helix Web Thickness: Form C Cutting Direction: Right Hand Point Type: Split Point Series: 2010 Standards Met: BS 328, DIN 1412C, DIN 1897RN Shank Diameter Tolerance: f11 Other information