The HSS Cobalt Set (24PCS) includes a variety of high-speed steel (HSS) cobalt drill bits, designed for drilling through tough materials like stainless steel, metal, and other hard substances. Cobalt is known for its durability and heat resistance, making these drill bits ideal for heavy-duty industrial applications. The set includes 24 pieces, providing different sizes to accommodate various drilling tasks. Perfect for professional and DIY use, this set ensures reliable, precise drilling performance in demanding conditions.

Replacement collet & nut.