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Pro Cobalt Step Drill Bit Set for Metal and Plastic - 1/4 to 3/4 Hex Shank
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Category: comoware step drill bit set

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.