DORMER A002 HSS Jobber Drill TiN 5.5mm

High-speed steel jobber drill bit with titanium nitride coating for extended tool life and improved performance. The 5.5mm diameter makes it ideal for general-purpose drilling in steel, cast iron, and other metals. TiN coating reduces friction and heat generation, allowing faster drilling speeds and cleaner holes. Dormer quality engineering ensures reliable, consistent results for workshop and industrial applications.