General description SwissTech's 9.70MM Heavy Duty Cobalt + TiN Drill is designed for drilling through tough materials, including steels with a tensile strength of up to 1,400 N/mm². This drill features a high-speed steel and cobalt construction, ensuring increased tool toughness and durability. The TiN (Titanium Nitride) coating enhances the tool's lifespan, making it ideal for heavy-duty applications. Technical specifications Drill Diameter: 9.7mm Flute Length: 87mm Overall Length: 133mm Point Angle: 135° Helix Angle: 28° Number of Flutes: 2 Material: Cobalt High Speed Steel Finish/Coating: TiN Flute Type: Spiral Flute Construction: Ground Flute Shank Diameter Tolerance: f11 Drill Diameter Tolerance: h8 Web Thickness: Strengthened Form C Standards Met: DIN 1412C, BS 328, DIN 338 Compatibility and accessories Suitable for drilling stainless steels, heat and acid resistant steels, and phosphor bronze. Installation External coolant delivery for optimal performance. Right-hand cutting