General description High-speed steel (HSS) drill bits with a titanium nitride (TiN) coating for enhanced durability and performance. The Dormer Metric A002 TiN Jobber Drill Bits feature a self-centering split point for superb hole quality and positional accuracy, making them suitable for drilling a variety of materials including steel, stainless steel, cast iron, ceramics, and plastics. Technical specifications Material: HSS (High-Speed Steel) Coating: TiN (Titanium Nitride) Tip diameter: 9.50 mm Working length: 81 mm Overall length: 125 mm Point angle: 118° Shank diameter: 9.5 mm Shank type: Cylindrical Spiral length: 81 mm Number of pieces: 10 per box Made to standards: DIN 338RN/BS328/ISO 235 Compatibility and accessories Compatible with standard drill chucks that accept a 9.5 mm shank diameter. Installation Insert the drill bit into a compatible drill chuck and tighten securely before use. Usage Use for drilling in steel and cast iron. Operate at appropriate speeds, up to 800 N