Irwin 10232CB Unibit Cobalt Alloy Steel #2 6 Step Drill Bit 3/16-in. – 1/2-in.

This IRWIN Unibit #2 Cobalt Alloy Steel Step Drill Bit is engineered with M-35-grade Cobalt Alloy Steel steel for maximum life when drilling in tough steel. The SpeedPoint tip provides fast starts and features laser-marked sizes for easy reading. The radial concave flute design helps ensure an effective use of drilling power.

• Drill bit is engineered with M-35-grade Cobalt Alloy Steel for maximum life when drilling in tough steel
• SpeedPoint tip for fast starts
• Drill bits feature a radial concave flute
• IRWIN drill bits have laser-marked sizes for simple identification
• Drills 6 hole sizes from 3/16″ to 1/2″ increments in 1/16″ steps