toolant Four Spiral Flute Cobalt Step Drill Bit(Pro), 1/4 inch-3/4 inch Impact Ready Unibit Step Drill Bit, 1/4 inch Hex Shank Step Bits for Metal, Stainless Steel, Aluminum, Plastic ^Sale

Features:

• FOUR SPIRAL FLUTE - Four cutting blades design guarantees a faster and smoother cutting. Feels like a hot knife through butter!
• 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 1/8 inch(3mm) thick Stainless Steel/Metal Sheet/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets.
• 9 STEP SIZES - Includes 1/4 inch, 5/16 inch, 3/8 inch, 7/16 inch, 1/2 inch, 9/16 inch, 5/8 inch, 11/16 inch, 3/4 inch.
• WARRANTY - If you are not fully satisfied for any reason, please contact us for 100% refund or replacement. If the hex shank snap off, please contact us for replacement.