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.
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"(3mm) thick Stainless Steel/Metal Sheet/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets.
FOUR SPIRAL FLUTE - Four cutting blades design guarantees a faster and smoother cutting. Feels like a hot knife through butter!