General description The SwissTech 8.00MM Heavy Duty Cobalt Long Series Drill is designed for high-performance drilling in non-alloyed and alloyed steels. Its parabolic flute design enhances chip removal, making it ideal for long chipping materials with a tensile strength of up to 1,300 N/mm². The drill can effectively operate at a length of up to 5 times its diameter, ensuring versatility in various applications. Technical specifications Drill Diameter: 8 mm Flute Length: 109 mm Overall Length: 165 mm Point Angle: 135° Helix Angle: 28° Web Thickness: Strengthened Drill Length Type: Long Series Material: Cobalt High Speed Steel Finish/Coating: TiN Coated Manufacturing standard: DIN 340 Tolerance of Diameter: h8 Tolerance of Shank: f11 Shank Type: Straight Cutting Direction: Right Hand Coolant Delivery: External Series: 4000 Other information