VB-12 Vari-Bit Step Drill Bit Set - 5 Sizes for Metal, Wood & Plastic - Perfect for DIY Projects & Home Repairs

Features high speed steel construction and vapor oxide coating. Patented design with two cutting flutes allows for clean burr free holes. Cust through materials faster than standard bits. Eliminates tip breakage problem on standard drill bits. Cutting Diameter: 7/8", 1 1/8", 1 7/32", 1 1/4", 1 3/8", 7/8" (min.), 1 3/8" (max.). Applicable Materials: Most metals, stainless steel. Cutting Direction: Right. Cutting Edge Material: HSS. No. of Flutes: 2. No. of Steps: 5. Shank Diameter: 3/8". Spiral Angle: 0 Right. Step Depth: 1/8". Tool Shape: Arbor - Step Drill.