Irwin Uni-Bit 6-Step 3/16 to 1/2 Inch Step Drill Bit — VB4-614

The Irwin VB4-614 Uni-Bit is a 6-step step drill bit that drills, deburrs, and countersinks in a single operation. Designed for use in sheet metal, plastic, wood, and thin materials, it produces clean, burr-free holes in 6 sizes from 3/16 inch to 1/2 inch without a center punch. The split-point tip starts on contact for fast, accurate drilling. Ideal for electricians, HVAC technicians, and contractors working with electrical panels, junction boxes, and sheet metal enclosures.

• Brand: Irwin
• Part Number / SKU: VB4-614
• Steps: 6
• Size Range: 3/16 Inch to 1/2 Inch
• Shank: 1/4 Inch Hex
• Application: Sheet metal, plastic, wood, and thin material drilling

Available Variants:

• (1) Bit
• 12 Pack

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