Toolant Four Spiral Flute Cobalt Step Drill Bit Set(Pro Max), 1/8-7/8(3pcs)
FOUR SPIRAL FLUTE – Four cutting blades design guarantees a faster and smoother cutting, allows swarf escape easily. TiAlN COATING- With 89HRC surface hardness, harder materials can be cut and higher cutting speeds can be achieved. M35 COBALT HSS STEP DRILL – Prefect for Stainless Steel/Metal Sheet/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets. 34 TOTAL STEP SIZE – Includes 3 bits with 1/8″ – 1/2″, 1/4″ – 3/4″, 3/16″ – 7/8″.