Stainless Steel 160mm Cobalt Twist Alloy Drill Bit Set 13pcs/ Set
Discover the high-performance 5pcs Set Cobalt High-speed Steel Twist Drill Bit, perfect for drilling stainless steel, thick iron, aluminium, and copper. This set includes diameters of 4mm, 5mm, 6mm, 8mm, and 10mm, with a titanium plating surface treatment for durability and sharpness.