1/4"-3/4" Step Drill Bit for Metal, Four Spiral Flute M35 Cobalt Drill Bit, 1/4" Hex Shank Quick Change Unibit Step Bits for Stainless Steel, Copper, Aluminum, Wood, Plastic
Product details
| Management number | 247377888 | Release Date | 2026/08/16 | List Price | US$5.32 | Model Number | 247377888 | ||
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- 【9 Step Sizes】9 sizes available: 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16" and 3/4", catering to diverse drilling needs.
- 【4 Spiral Flutes】The four-flute design ensures faster, smoother cutting—effortless like slicing through butter.
- 【M35 Cobalt High-Speed Steel】Ideal for drilling stainless steel, hardened metals, low-carbon steel, galvanized steel, aluminum, copper, plastic, wood, and materials with similar or lower hardness. Capable of handling stainless steel up to 1/8" (3mm) thick.
- 【TiAIN Coating】Featuring a surface hardness of 89HRC, it enables cutting harder materials and supports higher cutting speeds.
- 【Continuous Operation】Polished steps and clearly visible size markings allow you to see the target hole size during drilling, eliminating the need to stop and check, saving time and effort.
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