Features
- Punches up to 10 gauge mild steel and 12 gauge stainless steel
- Laser-etched markings to identify size
- Threads onto draw stud (sold separately) for punch and die setup
Specifications
| Size | 4 in |
| Material Capacity | Up to 10 gauge mild steel; up to 12 gauge stainless steel |
| Compatibility | Requires a hydraulic knockout tool and a draw stud (sold separately); stated compatible with DEWALT DCE600 20V MAX Hydraulic Knockout Tool |
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4-inch knockout punch for creating conduit holes. When used with the DEWALT DCE600 20V MAX Hydraulic Knockout Tool (sold separately) it will punch through up to 10 gauge mild steel and up to 12 gauge stainless steel. The punch includes laser-etched size markings and threads onto a draw stud for punch-and-die setup (draw stud sold separately).
Project Ideas
Business
On-Site Electrical Knockout Service
Offer mobile modification of electrical panels and enclosures with precise 4-inch conduit knockouts. Provide turnkey service including deburring, bushings, grommets, and code-compliant labeling.
Food Truck & Kitchen Retrofits
Cut 4-inch ports in stainless for venting, pass-throughs, and cable management in food trucks and commercial kitchens. Market a fast, clean stainless solution without warping or rough edges.
HVAC Duct and Plenum Takeoffs
Add 4-inch round takeoffs to ductwork, plenums, and sheet metal boxes on-site. Supply and install collars and dampers to deliver complete, ready-to-connect branches.
Van/RV Upfitting Ports
Punch 4-inch openings for fans, vents, cable pass-throughs, and inspection hatches in van and RV builds. Bundle services with trim rings, screens, and weatherproof gaskets.
Pre-Punched Panels & Branded Slugs
Sell pre-punched metal panels for integrators and makers, plus the retrieved 4-inch slugs as branded coasters or medallions. Offer custom finishes and laser-etched logos for corporate gifts.
Creative
Industrial Porthole Screens
Punch 4-inch circles in steel sheets to create modern privacy screens or room dividers with repeating portholes. Fit acrylic or tempered glass into select openings using trim rings for a mixed solid/transparent pattern.
Upcycled Metal Coasters
Repurpose the 4-inch slugs from the punch as sleek coasters. Deburr the edges, sand and patina or powder-coat, then laser-etch designs or logos for a clean, minimalist set.
Fire Pit Airflow Ports
Add evenly spaced 4-inch holes around a steel fire pit or burn barrel to improve airflow for a cleaner burn. Install perforated mesh behind the holes as a safety barrier and aesthetic accent.
Custom Speaker/Light Mounts
Punch 4-inch holes in metal panels to mount compact speakers or recessed puck lights in custom furniture, DJ booths, or display cases. Use grommets and trim rings for a finished look.
Modern Wall Art Panels
Create geometric wall art by punching 4-inch holes in a grid or gradient pattern across mild steel or stainless panels. Backlight with LED strips for a dramatic halo effect through the apertures.