General description SwissTech's 6.80MM Heavy Duty Cobalt + TiN Drill is designed for high-performance drilling in tough materials. This drill is ideal for use on steels with a tensile strength of up to 1,400 N/mm², including stainless steels, heat and acid-resistant steels, and phosphor bronze. The TiN (Titanium Nitride) coating enhances the tool's longevity, making it a reliable choice for demanding applications. Technical specifications Drill Diameter: 6.8mm Flute Length: 69mm Overall Length: 109mm Point Angle: 135° Helix Angle: 28° Number of Flutes: 2 Material: Cobalt High Speed Steel Finish/Coating: TiN Flute Construction: Ground Flute Flute Type: Spiral Shank Diameter Tolerance: f11 Drill Diameter Tolerance: h8 Web Thickness: Strengthened Form C Standards Met: BS 328, DIN 338, DIN 1412C Cutting Direction: Right Hand Coolant Delivery: External Series: 1033 Usage This drill is suitable for drilling various types of steel, making it an essential tool for metalworking and