toolant Four Spiral Flute Cobalt Step Drill Bit, 7/8"-1-3/8" Impact Ready Unibit Step Drill Bit, 3/8" Six-Sided Hex Shank Unibit for Metal, Stainless Steel, Aluminum, Plastic

M35+TiAlN Four Flute Step Drill Bit,1-3/8in

• FOUR SPIRAL FLUTE - Four cutting blades design guarantees a faster and smoother cutting. Feels like a hot knife through butter!
• TiAlN COATING - With 89HRC surface hardness, harder materials can be cut and higher cutting speeds can be achieved.
• M35 COBALT HSS STEP DRILL - Perfect for cutting through Stainless Steel, Steel Plates, Aluminum, Copper, Wood, and Plastic.
• STEP SIZES & CARE – Includes 7/8" to 1-3/8" range (specifically 7/8", 15/16", 1", 1-1/16", 1-1/8", 1-3/16", 1-1/4", 1-5/16", and 1-3/8"). NOTICE: Optimized for Standard Drills and Drill Presses; NOT for use with Impact Drivers.