The Durable HSS CO-Metal Bits are high-quality, durable tools designed for precision drilling in various metals. Made from high-speed steel (HSS) with cobalt (CO) alloy, these bits offer superior heat resistance, hardness, and wear durability, making them ideal for tough applications. The 7.5mm diameter ensures smooth, accurate holes, while the cobalt-enhanced material extends the life of the bits, especially in harder metals like stainless steel. With a set of five pieces, these Durable HSS CO-Metal Bits provide excellent value and reliability for both professionals and DIY enthusiasts looking for long-lasting performance.

size :7.5×109, packing : 5pcs/set