Lenox Step Drill Bit 1/2-Inch to 1-Inch RangeProfessional Multi-Size Drilling Tool with 3/8-Inch ShankThe Lenox Step Drill Bit delivers superior drilling performance for electrical applications requiring multiple hole sizes from 1/2-inch to 1-inch. This professional step drill bit with 3/8-inch shank provides exceptional cutting precision designed for professional contractors, electricians, and tradespeople, offering the proven performance and innovation that professionals expect from America’s premier cutting tool manufacturer.Professional Features & BenefitsAdvanced Cutting Performance2X Longer Life – Extended tool durability reduces replacement costs and downtime for professional applicationsSplit Point Design – Faster penetration and reduced bit walking for precise hole placement and professional results50% Faster Starts – Starts on contact for improved productivity and reduced drilling timeSteam Oxide Coating – Enhanced durability coating protects against wear and extends cutting tool lifeProfessional Drilling ApplicationsEnhanced Flute Design – Removes chips rapidly for cleaner drilling and reduced heat buildupPatented Two Flute Design – Cuts fast, clean, round holes with professional precision and accuracyAccurate, Burr-Free Holes – Professional finish quality eliminates secondary operations and ensures clean installationsTechnical SpecificationsDrilling Range: 1/2-inch to 1-inch diameter, Shank Size: 3/8-inch, Product Type: Step Drill Bits, Product Group: Electrical, Dimensions: 3 inches length x 1.1 inches width x 6.1 inches height, Weight: 0.25 lbs, Power Source: Non-energy using (manual operation)Installation & UsageSecure workpiece properly and mark drilling location for accurate hole placementSelect appropriate drill speed for material being drilled and step bit size rangeStart drilling at lowest speed to establish hole location and prevent bit walkingApply steady, consistent pressure while allowing the step bit to cut at its own paceMonitor drilling progress and stop at desired hole diameter marking on the step bitRemove bit periodically to clear chips and prevent overheating during extended useProfessional ApplicationsIdeal for:Electrical Installations – Conduit holes, junction box mounting, and electrical panel preparationsHVAC Applications – Ductwork connections, refrigeration line installations, and ventilation system mountingPlumbing Projects – Pipe routing holes, fixture mounting, and water line installationsConstruction Work – Framing modifications, structural drilling, and building system installationsMaintenance Operations – Equipment modifications, repair access holes, and system upgradesMetal Fabrication – Sheet metal work, enclosure modifications, and custom drilling applicationsAutomotive Repair – Body work modifications, custom installations, and repair access holesIndustrial Applications – Equipment mounting, machinery modifications, and production line installationsStep Drill Bit AdvantageThe step drill bit design eliminates the need for multiple individual drill bits, providing multiple hole sizes in one tool. This professional approach reduces tool inventory, speeds up drilling operations, and ensures consistent hole quality across different diameters. The graduated step design allows for precise hole sizing and professional installation results.Why Choose Lenox Quality?Lenox brings over a century of cutting tool innovation and manufacturing excellence to every step drill bit. Professional contractors, electricians, and tradespeople trust Lenox for reliable drilling performance, consistent quality standards, and the durability needed for demanding job site conditions. From electrical installations to general construction, Lenox step drill bits deliver the precision and longevity that professionals require for successful project completion.