Irwin Industrial Tools 10234CB #4 Unibit, 12-Steps Cobalt Step Drill Bit

The IRWIN Tools 10234CB Unibit Cobalt Sheet Metal Step Drill Bit is a versatile tool that offers 12 different hole sizes in one bit, ranging from 3/16 to 7/8 inches in 1/16-inch increments. This step drill bit is ideal for creating true, round holes with a smooth, clean finish in a variety of materials such as stainless steel, sheet metal, aluminum, fiberglass, plastics, plexiglass, and wood. Constructed from cobalt high-speed steel, it delivers increased cutting edge life, making it perfect for tough tasks like drilling into stainless steel. The SpeedPoint tip ensures fast penetration without the need for a pilot hole, and the 3/8-inch hex shank provides a secure grip in the drill chuck. Laser-etched sizes inside the flute allow for precise control and easy size identification during use.

Product Specification :

• 12 different hole sizes from 3/16" to 7/8" in 1/16" increments for versatility.
• Ideal for drilling in stainless steel, sheet metal, aluminum, fiberglass, plastics, plexiglass, and wood.
• Cobalt high-speed steel construction for increased life and durability in tough applications.
• SpeedPoint tip penetrates quickly and eliminates the need for a pilot hole.
• 3/8" hex shank ensures secure grip in the drill chuck.
• Laser-etched sizes inside the flute for easy reading and precise control.