12-Step Drill Bit, 3/8-Inch Hex, Double Straight Flute, 3/16-Inch to 7/8-Inch

12-Step Drill Bit, 3/8-Inch Hex, Double Straight Flute – Step Drill Bit for Metal The Klein Tools 12-Step Drill Bit with a 3/8-inch hex shank is designed for clean and precise drilling in metal, plastic, and wood. This step drill bit features double straight flutes for smoother cutting and reduced material buildup, making it ideal for electrical distributors and lighting solutions professionals who require reliable holemaking tools. Its aluminum titanium nitride (AlTiN) coating offers 10 times longer durability than standard steamed black oxide, extending bit life and performance. The laser-etched size markings enable quick hole size identification, enhancing efficiency in wire and cable installation and switchgear supplier applications. Specifications Material: Steel Coating: Aluminum Titanium Nitride (AlTiN) Shank Size: 3/8 inch Hex Hole Sizes: 12 steps from 3/16 inch to 7/8 inch (4.8 mm to 22.2 mm) Weight: 0.15 lbs Dimensions: 1 inch width x 1 inch height Manufacturer Part #: KTSB14 UPC: 092644591143 Features Double straight flutes for cleaner cuts and reduced material buildup Aluminum titanium nitride coating for enhanced durability and longer bit life Laser-etched primary hole size markings for quick and accurate size identification Durable 3/8-inch hex shank for a firm, positive grip in standard drills 12-hole size steps ranging from 3/16 inch to 7/8 inch, suitable for varied drilling needs Downloads & Links Spec Sheet