M35 Cobalt HSS: made from M35 cobalt high-speed steel for superior hardness, heat resistance, and extended cutting life, ideal for demanding metal drilling applications
Step Spiral Design: 5-step precision design allows multiple hole diameters with one bit, ensuring smooth cutting, reduced burrs, and improved drilling efficiency
Hex Shank Grip: standard hex shank provides a secure, non-slip fit in hand drills and drill presses, enhancing stability and torque transfer during operation
Multi Material Use: suitable for drilling stainless steel, iron plates, aluminum alloy, wood, and other common construction materials for DIY and professional use
Size Range: covers 4mm to 12mm (5/32" to 15/32"), offering flexible sizing for accurate hole expansion across various project requirements
