🔧 Drill Like a Pro—Elevate Your DIY Game!
The amoolo 5/16" Cobalt Drill Bit Set includes 10 high-speed steel drill bits designed for precision and durability. Made from M35 cobalt steel, these bits are perfect for drilling through hard metals like stainless steel and cast iron, as well as softer materials. With a fully ground design and a 135° split point, they ensure efficient and accurate drilling, backed by a 90-day satisfaction guarantee.
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