M35 Cobalt Step Bit For Stainless Steel Cobalt Step Drill Bit 89HRC Hardness Spiral Flutes 1/4in Hex Shank 4 To 20mm Cobalt Drill Bit Sizes 4 Spiral Flutes Design: Four spiral flutes ensure faster and smoother drilling. 3/16 in. to 1-1/8 in. #4 Cobalt Step Drill Bit (12-Steps) and #5 (8-Steps Durable and Long Lasting: Step Drill Bit is made from M35 cobalt, the step drill bit is highly durable and can withstand prolonged use without wearing out easily, enabling it to cut through harder materials with ease. TOOLANT Four Spiral Flute Cobalt Step Drill Bit(Pro Max), 3/16 - 7/8 After many inspections before leaving the factory, you can use it with confidence. 89HRC Surface Hardness: Step drill bit with 89HRC surface hardness can drill through harder materials and achieve higher drilling speeds. 89HRC Surface Hardness: The step drill bit with 89HRC surface hardness can drill through harder materials and achieve higher drilling speeds. Wide Application: Step drill bit is perfect for stainless steel, metal sheets, wood, plastic, aluminum sheets, copper, and other metal plates Feature:1., 4 Spiral Flutes Design: Four spiral flutes ensure faster and smoother drilling. Whether you're a DIY enthusiast or a professional, this set is ideal for home repairs, metalworking. It feels like cutting through butter with a hot.
