IRWIN 1/4 in. X 4 in. L Cobalt Alloy Steel Drill Bit Straight Shank 1 pc

IRWIN Cobalt Alloy Steel Drill Bit is ideal for drilling into hardened steel, alloys, titanium and stainless steel Constructed of M-35 5 percent cobalt alloy high speed steel for super abrasive resistance in tough metals; Heavy-duty web construction for strength and durability; 5% cobalt alloy steel for higher heat and abrasion resistance; Best heat resistance for drilling in extremely hard and abrasive materials including stainless steel, titanium and cast iron; 135 degree split point begins drilling immediately, minimizing bit walk