9-Step Drill Bit, 3/8-Inch Hex, Double Straight Flute, 1/4-Inch to 3/4-Inch

9-Step Drill Bit, 3/8-Inch Hex, Double Straight Flute – Step Drill Bit for Metal The Klein Tools 9-Step Drill Bit, model KTSB03, is designed for precise and cleaner drilling in metal applications. Featuring a durable 3/8-inch hex shank, this step drill bit fits standard drills and provides a firm, positive grip for reliable use. The double straight flute design pulls the bit through material for cleaner cuts, making it suitable for electrical distributors and lighting solutions requiring accurate holemaking in wire and cable installations or switchgear assembly. Specifications Material: Steel Coating: Aluminum Titanium Nitride (AlTiN) – 10x more durable than steamed black oxide Hole Sizes: 9 steps from 1/4-inch to 3/4-inch (6.4 mm to 19.1 mm) Shank Size: 3/8-inch hex Weight: 0.1500 lbs Dimensions: Width – 3.06 in, Height – 0.18 in Manufacturer Part #: KTSB03 UPC: 092644591037 Features Double straight flutes for cleaner cutting and drilling Aluminum titanium nitride coating for extended bit life and durability Laser-etched size markings for quick hole size identification Split point tip to quickly start holes and prevent bit drifting Durable 3/8-inch hex shank compatible with standard drills Downloads & Links Spec Sheet