#1 Unibit Self-Starting Stairstep Drill Bit - 13 Step, 1/8" to 1/2" Diameter, 1/8" Depth - Perfect for Metal, Wood & Plastic Drilling in HVAC, Electrical & DIY Projects

Drill a range of holes without changing bits when you equip with a stairstep bit. SpeedPoint tip penetrates quickly and cleanly without the walking issues common among alternative point designs. Patented single-flute edge provides precise depth control though all size steps. Hex-shaped shank enables secure, slip-free lock-down. Self-starting bit may be used on stainless steel, copper, brass, aluminum, plastic, laminates and wood.