HERCULES 3/16 in. to 1-3/8 in. #4 Cobalt Step Drill Bit (12-Steps) and #5 (11-Steps)

HERCULES® superhard cobalt alloy step bits stand up to heat and tough materials to stay sharper longer. The step drill bits automatically deburr holes as you drill, and the spiral-flute design provides faster, smoother cutting. StarterPoint™ No-Walk Fast Start provides quick, clean holes in materials from wood to stainless steel.

• Industrial-strength cobalt steel construction for drilling through the hardest materials including stainless steel
• Spiral flute design with StarterPoint™ cuts faster and runs cooler for longer bit life
• Laser-engraved reference marks for accurate drilling
• 2 bits for 23 hole sizes from 3/16 in. to 1-3/8 in.
• Includes: 3/16 in. to 1-3/8 in. #4 cobalt step drill bit (12-steps) and #5 cobalt step drill bit (11-steps)