BOSI M35 Cobalt Stainless Steel Twist Drill Bit Set

The BOSI M35 Cobalt Stainless Steel Twist Drill Bit Set is designed for drilling through tough materials like stainless steel, iron, and aluminum alloys. Each set includes 10 durable 4.3mm straight-shank drill bits, featuring M35 cobalt steel for enhanced hardness and heat resistance, ensuring long-lasting performance and precision.