3-Step Drill Bit, 3/8-Inch Hex, Double Straight Flute, 7/8-Inch to 1-3/8-Inch

3-Step Drill Bit, 3/8-Inch Hex, Double Straight Flute – Step Drill Bit for Metal The Klein Tools 3-Step Drill Bit (Cat. No. KTSB15) is designed for precise and clean drilling in metal and other materials. Featuring a durable 3/8-inch hex shank, this step drill bit is optimized for use with standard drills, making it a reliable choice for electrical distributors and lighting solutions providers requiring efficient holemaking tools. Its double straight flutes provide clean cuts, while the aluminum titanium nitride (AlTiN) coating extends bit life by being 10 times more durable than steamed black oxide coatings. Laser-etched hole markings allow for quick size identification, enhancing productivity and accuracy. Specifications Manufacturer: Klein Tools Manufacturer Part #: KTSB15 Material: Steel Coating: Aluminum Titanium Nitride (AlTiN) Shank Size: 3/8 Inch Hex Hole Size Range: 7/8 Inch to 1-3/8 Inch (22.2 mm to 34.9 mm) Weight: 0.46 lb Dimensions: 1.0 in width x 1.0 in height UPC: 092644591150 Features Double straight flutes for clean, precise cuts AlTiN coating for extended durability and longer bit life Laser-etched primary hole size markings for quick size identification Split point tip to quickly start holes and prevent bit drifting Durable 3/8-inch hex shank designed for standard drill compatibility Downloads & Links Spec Sheet