FEATURES: • Precision ground carbide teeth for fast cutting of clean, round holes • Heat resistant carbide teeth for long life in sheet metal and stainless steel • Over-drill stopper prevents the tool from penetrating beyond the hole • Split point pilot bit for faster penetration and less walking • Carbide Tip Cutting Edge • Pilot Drill 135 Degree Split Point Pilot Drill • For Cutting Stainless Steel Steel Copper Brass Aluminum PVC Fiberglass