General description This Cobalt Drill Bit Set includes 115 pieces made from M35 high-speed steel, designed for drilling through hardened metals, stainless steel, cast iron, wood, and plastic. The set features a variety of sizes, including 29 fractional drill bits, making it versatile for various applications. Its durable construction ensures long-lasting performance. Technical specifications Material: M35 Cobalt High-Speed Steel Number of pieces: 115 Includes: 29 fractional drill bits Point angle: 135 degrees Easy Storage The drill bit set comes with holders that have size indexes for easy organization. Packaged in a compact and sturdy metal storage box for convenient storage and sorting. Other information