GREENLEE GSBM120 12 mm Step Bit

Durable split-point tip for fast, accurate material penetration.?;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.?;Three-flat shank for all 1/2” drill chucks.?;Laser markings for quick, easy product and size identification.