The Best HSS CO-Metal Drill set includes 5 pieces, each measuring 9.5×125 mm. These drill bits are designed for precision drilling through tough metals, including stainless steel, alloyed steels, and cast iron. The addition of cobalt (CO) to the HSS material enhances heat resistance and durability, allowing for longer use without dulling. The bits feature a 135° split point tip, which reduces walking and ensures faster, more accurate starts. With a 9.5 mm diameter and 125 mm length, they provide optimal performance for medium to large drilling tasks, delivering clean, precise holes. Best HSS CO-Metal Drill Ideal for professionals and DIY enthusiasts alike.

size : 9.5×125, packing :5pcs/set