
Titanium Coated HSS Step Drill Bits. Titanium Coated HSS Material: Made from High Speed Steel with titanium coating for enhanced durability and heat resistance. Multi-Size Drilling Capability: Drills multiple hole sizes in one bit, eliminating the need for center punching or pilot holes. Versatile Material Compatibility: Suitable for drilling steel, brass, aluminum, copper, plastic, and wood up to 1/8 inch thick. Laser-Etched Size Markings: Diameter markings are permanently laser-etched in the flute areas for easy size determination. Various Shank Options: Available with round, hex, three flat, or hex quick change shanks to fit different tools. Multiple Surface Finishes: Options include bright fully ground, titanium coated, black nitrided, and cobalt coated surfaces. Flexible Packaging Solutions: Packed in wooden boxes, aluminum cases, or blister packs with cards for secure transport. Wide Size Range Selection: Comprehensive range from 4mm to 40mm diameter with various step counts to suit diverse needs.