General description SwissTech 4.80MM Heavy Duty Cobalt + TiN Drill is designed for drilling through tough materials such as stainless steels, heat and acid resistant steels, and phosphor bronze. With a tensile strength capability of up to 1,400 N/mm², this drill is ideal for heavy-duty applications. The TiN (Titanium Nitride) coating enhances the tool's longevity, making it a reliable choice for professionals and DIY enthusiasts alike. Technical specifications Drill Diameter: 4.8mm Flute Length: 52mm Overall Length: 86mm 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 Series: 1033 Standards Met: BS 328, DIN 1412C, DIN 338 Web Thickness: Strengthened Form C Shank Diameter Tolerance: f11 Drill Diameter Tolerance: h8 Coolant Delivery: External Cutting Direction: Right Hand Other information