Ultra Sharp Step Drill Bit Set With 4 Flutes For Fast Cuts Through Stainless Steel Hard Metal Wood And Plastic Plus Heavy Duty M35 Cobalt Pagoda Design With 1 4 Inch Shank No Walking Allowed

M35 Cobalt Step Drill Bits 4 Flutes Fast Cut Steel Wood Plastic
✔️ 1/4 Hex Shank Heavy Duty Pagoda No Walking Drilling Steel Plate

This set includes five step drill bits designed for fast hole making in ductwork panels and brackets. Technicians use these tools inside garages to clean cut stainless steel without chipping or grabbing the surface.

✅ Precision ground 4 flute design prevents grabbing in thin metal sheets
✅ Premium M35 cobalt alloy reaches 89HRC hardness for lasting sharpness
✅ Includes five graduated bits plus standard bit with 1/4 hex shanks

💡 What makes cobalt step drill bits better than standard twist drills? These handy bits handle high heat and hard surfaces effectively.
- They reduce binding when drilling through thick materials
- Vacuum treated alloys resist overheating during prolonged work
- Hex shanks provide strong grip in impact drivers