Heavy Duty Step Drill Bit Set For Stainless Steel And Hard Metals, 4 To 32 Mm Metric, 15 Progressive Steps, 5 Percent Cobalt Alloy For High Hardness And Heat Resistance, Long Tool Life With Wear Resistance Built Tough Stroton

Premium step drill bit set for hard metals and alloys
✔️ 15 progressive steps from 4mm to 32mm, 5% cobalt alloy for high hardness, heat resistance, and extended tool life

This heavy-duty step drill bit set is a go-to tool for drilling precise, stepped holes in tough materials like stainless steel and metals. It's commonly found in workshops, construction jobs, and DIY setups where reliable drilling is needed for projects involving metal fabrication or repairs.

✅ Made from premium M35 5% cobalt steel with 66-69 HRC for superior wear resistance
✅ Includes 15 steps ranging from 4mm to 32mm for versatile hole sizes in one bit
✅ Designed for cutting stainless steel, iron, aluminum, wood, PVC, and plastics with faster drilling speeds
✅ Offers long tool life and heat resistance, reducing the need for frequent replacements

💡 Why go for cobalt alloy drill bits when working with hard metals? Cobalt drill bits deliver solid performance for demanding tasks. They resist heat buildup effectively. This extends the bit's lifespan significantly. Plus, they allow for quicker drilling without chipping.