General description SwissTech 9.00MM HSS-Cobalt Heavy Duty Jobber Drill is designed for high-performance drilling in tough materials. The drill features a titanium nitride (TiN) coating that enhances durability and reduces friction, making it ideal for heavy-duty applications. Technical specifications Diameter: 9.00 MM Material: HSS-Cobalt Coating: Titanium Nitride (TiN) Type: Heavy Duty Jobber Drill Other information