Greenlee® GSB01 Multi-Hole Step Drill Bit, 1/8 in dia Min Hole, 1/2 in dia Max Hole, 13 Steps, Mild Steel

Patented split-step design optimizes chip load for fast, smooth cutting, and more holes per charge. Progressive cutting edges provide balanced aggression to maximize torque efficiency and minimize stalling. Improved double flute design for superior chip evacuation, cutting speeds and tool life. Laser markings for quick, easy product and size identification.