NEIKO 10173A Step Drill Bit Set for Metal and Wood, 5 Piece SAE, Spiral Grooved Faster Drilling, Bits with 50 Total Sizes, Titanium Coated Unibits

PREMIUM STEP BIT: Each unibit is constructed of industrial high-speed steel with a titanium nitride coating for durability and strength to punch and drill clean holes in materials like plastic, aluminum, wood, copper, stainless steel, and other types of sheet metal. STEP DRILL BIT FOR METAL: With a split point tip that accelerates cutting speed while preventing angled walking away from center line of bore, drilling holes in metal is fast, efficient, and clean. SPIRAL DESIGN: The two-flute spiral grooved design deburrs chip, dust and debris for clearance and smooth cutting. With 50 step sizes combined, each hole made with these step bits will be precise. QUICK-CHANGE: The 1/4-inch hex shank makes for easy, convenient, and quick stepper bit switches and is compatible with impact ready power tools. INCLUDES: Each bit set comes with 5 drill bits of a combined 50 sizes: Range is from 1/8” to 1-3/8”., Weight: 1.0 Pounds, Manufacturer: Neiko