amoolo Twist Drill Bit 1/4” 10 Pcs, M35 Cobalt Drill Bit Set for Hard Metal, Stainless Steel, Cast Iron

Description

🔩 Drill Like a Pro, Last Like a Legend

The amoolo Twist Drill Bit Set features 10 precision-engineered 1/4” bits made from M35 cobalt steel, delivering superior hardness (Rockwell ≥67) and heat resistance. Its fully ground spiral design and 135° split point ensure fast, accurate drilling in hard metals like stainless steel and cast iron, while fitting most power drills. Ideal for professionals demanding durability and precision, with a 90-day satisfaction guarantee.