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.
