10PCS,9/32", HSS Black Oxide Twist Drill Bits, Metal drill, ideal for drilling on mild steel, copper, Aluminum, Zinc alloy etc.
*High Quality Material- High Speed Steel, Best Material.
*High Efficiency In Drilling Metals, and Stainless Steel.
*Ideal for drilling in tough metal, including heavy-duty abrasive alloy metal drilling on hardened steel.
*118-degree split-point tip starts drilling immediately with less force and eliminates "walking" across the work surface.