General description SwissTech's 9.00MM 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. The drill features a high-speed steel and cobalt construction, ensuring increased toughness and durability. The TiN (Titanium Nitride) coating enhances the tool's lifespan, making it ideal for heavy-duty applications. Technical specifications Drill Diameter: 9mm Flute Length: 81mm Overall Length: 125mm Point Angle: 135° Number of Flutes: 2 Helix Angle: 28° 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: BS 328, DIN 338, DIN 1412C Cutting Direction: Right Hand Coolant Delivery: External Series: 1033 Usage This drill is ideal for drilling applications in various materials, including: Stainless steels Heat and acid resistant steels Phosphor