The INGCO M35 Cobalt Step Drill Bit is engineered for professional-grade drilling where accuracy, durability and efficiency are essential. Manufactured from high-quality M35 cobalt steel, this step drill bit offers superior heat resistance and hardness, making it ideal for drilling through stainless steel, mild steel, aluminum, wood and plastic.
Its four spiral flute design ensures smooth chip removal, reduced vibration and faster cutting speed, resulting in clean, round holes with minimal burrs. The step-by-step cutting profile allows multiple hole sizes to be drilled using a single bit, saving time and improving productivity on the job.
Designed with a 1/4″ hex shank, the INGCO step drill bit provides excellent grip and compatibility with cordless drills and impact drivers. Whether used in electrical work, metal fabrication, automotive repair or general workshop applications, this drill bit delivers consistent and reliable performance under demanding conditions.
Built to INGCO’s professional tool standards, this step drill bit is a perfect choice for technicians, installers and DIY users who require precision drilling with long service life.
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Brand: INGCO
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Product Type: Step Drill Bit
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Material: M35 Cobalt Steel
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Flute Design: Four Spiral Flutes
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Shank Type: 1/4″ Hex Shank
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Application: Metal, stainless steel, aluminum, wood, plastic
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Multi-step drilling for multiple hole sizes
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High heat resistance for extended durability
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Smooth cutting with reduced vibration
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