Stark Titanium Coated HSS Heavy-Impact Step Drill Bit, 13/16 in. x 1-3/8 in.

Engineered with premium high-speed steel and a titanium nitride coating, these heavy-impact step bits offer superior strength and durability for demanding metalworking. The dual-flute design reduces friction and heat, ensuring smoother, faster, and cooler drilling through steel, stainless steel, and aluminum.

• Heavy-duty construction featuring high-speed steel with a titanium nitride coating for enhanced durability and clean cuts.
• Advanced dual-flute design minimizes friction and heat production for smoother, faster, and longer-lasting drilling.
• Includes 9 precision step sizes with high-visibility laser-etched markings for rapid and accurate bit selection.
• Self-centering 3/8 in. diameter tri-flat shank ensures secure compatibility with 3/8 in. or larger chucks.
• Versatile performance optimized for impact drivers, drill presses, and power drills when working with steel, stainless steel, copper, and aluminum.
• Specifically designed for drilling through thin metal materials, including duct and sheet metal.