Irwin Uni-Bit 1-Step 7/8 Inch Conduit Knockout Step Drill Bit Variable Step Drill Bit
by Irwin
Irwin Uni-Bit 1-Step 7/8 Inch Conduit Knockout Step Drill Bit — VB7-1138
The Irwin VB7-1138 Uni-Bit is a single-step step drill bit purpose-built to drill the 7/8 inch knockout hole required for 1/2 inch EMT conduit. It drills, deburrs, and countersinks in a single pass without a center punch. Ideal for electricians and contractors punching conduit entry holes in electrical panels, enclosures, and junction boxes.
- Brand: Irwin
- Part Number / SKU: VB7-1138
- Steps: 1
- Hole Size: 7/8 Inch (for 1/2 Inch EMT Conduit)
- Shank: 1/4 Inch Hex
- Application: Conduit knockouts in electrical panels, enclosures, and junction boxes
Available Variants:
- (1) Bit
- 12 Pack
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