Pro Cobalt Step Drill Bit Set for Metal and Plastic - 1/4 to 3/4 Hex Shank

About this item

• FOUR SPIRAL FLUTE - Four cutting blades design guarantees a faster and smoother cutting. Feels like a hot knife through butter!
• M35 COBALT HSS STEP DRILL - Prefect for 1/8"(3mm) thick Stainless Steel/Metal Sheet/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets.
• 9 STEP SIZES - Includes 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4".
• TiAlN COATING - With 89HRC surface hardness, harder materials can be cut and higher cutting speeds can be achieved.
• WARRANTY - Should you be dissatisfied for any reason, feel free to reach out to us for a complete refund or a new item. If the hex shank breaks, don’t hesitate to contact us for a replacement.