IRWIN 10234 Unibit Step Drill Bit, 3/16" to 7/8", High-Speed Steel

IRWIN 10234 Unibit Step Drill Bit, 3/16" to 7/8", High-Speed Steel

• The IRWIN 10234 Unibit Step Drill Bit is engineered for precision hole drilling in metal, plastic, and wood. Designed with a single-flute cutting edge and a self-starting tip, this bit delivers clean, burr-free holes without the need for a pilot hole. Ideal for electricians, mechanics, and industrial professionals needing versatility and durability on the job.
• Features:
  • Single-flute cutting edge ensures smooth and accurate holes
  • Self-starting tip eliminates the need for center punching
  • Made from high-speed steel for long-lasting performance
  • Laser-engraved size markings for easy identification
  • Perfect for sheet metal, PVC, plastic, and wood drilling tasks
• Specifications:
  • Manufacturer: IRWIN Hanson
  • Part Number: 10234
  • Product Type: Step Drill Bit
  • Size Range: 3/16" to 7/8"
  • Material: High-Speed Steel
  • Country of Origin: USA
• The IRWIN Hanson 1876221 Unibit Step Drill Bit can also be referred to as step drill, high-speed steel drill bit, metal step bit, unibit for electricians, and IRWIN Hanson step drill.

IRWIN Hanson is a trusted name in hand tools and power tool accessories, known for innovation and reliability. Their Unibit series is a favorite among professionals who require accuracy and durability in drilling tasks, especially in electrical and industrial applications.

Q: What materials can this step drill bit be used on?
A: It is designed for use on sheet metal, plastic, PVC, and wood.

Q: Do I need to drill a pilot hole first?
A: No, the self-starting tip allows direct drilling without a pilot hole.

Q: How many hole sizes does it drill?
A: This bit drills multiple hole sizes from 3/16 " up to 7/8 " in increments marked on the tool.

Q: Is it compatible with cordless drills?
A: Yes, it works well with both corded and cordless power drills with a standard chuck.

Q: Can it be resharpened?
A: While possible, it is typically used until worn and then replaced due to precision grinding requirements.