The Bosch line of step drills offers the ability to drill up to 13 different size holes with a single bit. Step drill bits are ideal for electrical, plumbing and HVAC contractors. Titamium-coated step drill bits remain clean and accurate even in the toughest materials; superior durability that lasts up to six times longer life than high-speed steel.
Features:

• Super-hard titanium coating lasts up to six times longer than high-speed steel
• Self-starting point starts on contact
• Balanced double flute eliminates chatter and vibration
• Titanium reduces heat for longer life
• Drills clean, accurate holes in these thin materials (up to 1/8 In.): sheet metal, ducts, steel, copper, brass, aluminum, plastic, plexiglass, wood, veneers, vinyl siding, plasterboard, PVC, stainless steel and cast iron

Technical Details

• Application: All common drilling needs
• Diameter: 3/16" to 7/8"
• Flute Length: 2.0
• Increments: 1/16"
• Length: 3.0"
• Number of Hole Sizes: 12.0
• Shank Diameter: 0.375
• Step Depth: 1/8"

Includes: 1 Bit