Step Drill Bits

About

Professional Step Drill Bits for Precision Drilling When standard drill bits just won't cut it, Benchmark Abrasives' step drill bits deliver the versatility and precision that demanding applications require. These specialized tools eliminate the need for multiple drill bits by creating perfectly sized holes in a single operation, making them indispensable for electrical work, sheet metal fabrication, and HVAC installations. Engineered with premium high-speed steel construction and precision-ground steps, our step drill bits power through thin materials with surgical accuracy while preventing breakthrough damage. From delicate electronics work to heavy-duty industrial applications, these multi-diameter workhorses streamline drilling operations and reduce tool inventory. Whether you're installing conduit fittings, creating precise holes in enclosures, or working with thin-gauge metals, Benchmark step drill bits transform complex drilling sequences into single, efficient operations. Key Features and Benefits Multi-Diameter Capability : Single bit creates multiple hole sizes, eliminating tool changes and reducing inventory Precision Ground Steps : Each step delivers exact diameter control with smooth size transitions Self-Centering Design : Pointed tip prevents walking and ensures accurate hole placement Deburring Action : Stepped geometry automatically deburrs holes as drilling progresses Premium HSS Construction : High-speed steel composition maintains sharp cutting edges under demanding conditions Heat-Treated Durability : Specialized heat treatment process maximizes tool life and cutting performance Essential Applications Across Industries Step drill bits excel in applications where thin materials and precise hole sizing are critical requirements. Electrical contractors rely on these tools for creating precise holes in junction boxes, panels, and enclosures, with the self-centering design preventing bit wandering while the automatic deburring action eliminates sharp