Step Set 4 Flute 1/4 Shank M35 Cobalt Hard Stainless Steel

Feature: \n 1.\nSET: The kit includes a\nand 5 step bits, with specifications of 1/4 to 1 3/8 inch, 3/16 to 7/8 inch, 1/4 to 3/4 inch, 3/16 to 1/2 inch, 1/8 to 1/2 inch.\n2. 4 FLUTE: These step bits have four spiral flutes, the four\ndesign ensures and smoother .\n3. 1/4 INCH SHANK: These bits have standard 1/4 inch shank that can be seamlessly connected to the electric , easy to install.\n4. HIGH HARDNESS: The step bits are made of M35 and cobalt, with a surface hardness of 89HRC, and can cut harder materials.\n5. MULTI PURPOSE: These bits are very suitable for stainless steel, metal plates, wood, plastic, aluminum plates, copper and other metal plates. \n\nSpecification: \n\nItem Type: Step\nSet\nMaterial: M35, Cobalt\nShank Diameter: 1/4 Inch\nHole Diameter:\n1. 1/4 to 1-3/8 inch\n2. 3/16 to 1/4 to 5/16 to 3/8 to 7/16 to 1/2 to 9/16 to 5/8 to 11/16 to 3/4 to 13/16 to 7/8 Inch\n3. 1/4 to 5/16 to 3/8 to 7/16 to 1/2 to 9/16 to 5/8 to 11/16 to 3/4 Inch\n4. 3/16 to 1/4 to 5/16 to: