M42 Cobalt Coated Twist Drill Bits Set, 13/19/25pcs, 1mm to 13mm, 3 Edge Design for Stainless Steel and Metal

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  • Durable construction Crafted from M42 high-speed steel with 8% cobalt, these drill bits are designed for enhanced durability and sharpness, making them ideal for drilling into tough materials like 304 stainless steel.
  • Efficient drilling design Featuring a 3-edge cutter head and a 135-degree split point, these drill bits ensure easier drilling and effective chip removal, minimizing the risk of slipping during use.
  • Exceptional hardness Heat-treated to achieve a hardness rating of 68-70 HRC, these bits maintain their sharpness and performance under demanding conditions.
  • Versatile application Compatible with radial drills, bench drills, or hand drill chucks, these bits are versatile tools for various drilling operations.

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