Features
- Punches up to 10 gauge mild steel and 12 gauge stainless steel
- Embedded magnets in dies for magnetic attachment to mild steel to aid alignment
- Crosshairs on dies for punch alignment
- Punches thread onto a draw stud for punch-and-die setup (draw stud sold separately)
- Laser-etched size markings on punches and dies
- Includes TOUGHSYSTEM® 2.0 toolbox for storage
Specifications
| Punch Size Range | 2-1/2 in. – 4 in. |
| Material Capacity | Up to 10 gauge mild steel; up to 12 gauge stainless steel |
| Included Components | 2-1/2" knockout die (DCE600212D); 2-1/2" knockout punch (DCE600212P); 3" knockout die (DCE600300D); 3" knockout punch (DCE600300P); 3-1/2" knockout die (DCE600312D); 3-1/2" knockout punch (DCE600312P); 4" knockout die (DCE600400D); 4" knockout punch (DCE600400P); 1-1/8" knockout draw stud (DCE600DS118); TOUGHSYSTEM® 2.0 box |
| Intended Compatibility | Designed for use with a 20V MAX hydraulic knockout tool (sold separately) |
| Warranty | Product listing indicates no limited warranty (not eligible) |
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Kit of knockout punches and dies for creating conduit holes in sheet metal. Dies include embedded magnets to hold the die in place on mild steel and laser-etched size markings to aid identification and alignment. The set is supplied in a TOUGHSYSTEM® 2.0 toolbox and is intended for use with a compatible hydraulic knockout tool (sold separately).
Project Ideas
Business
Mobile Enclosure Knockout Service
Offer on-site panel/enclosure modification for electricians and controls contractors. Precisely add 2-1/2–4 in. conduit knockouts to NEMA cabinets, gutter, and junction boxes. Market the accuracy (crosshair alignment), clean cuts, and the ability to work up to 10 ga mild and 12 ga stainless to reduce rework and filings on customer sites.
Food Truck & Commercial Kitchen Vent Retrofits
Specialize in punching 3–4 in. ports in stainless walls, hoods, and equipment for sensor pass‑throughs, drain lines, and fan ducts. The kit’s stainless capability and magnetic dies speed alignment on vertical surfaces, minimizing downtime for kitchens and trucks.
Custom Dust Collection & HVAC Takeoffs
Fabricate sheet‑metal manifolds and transitions with standardized 4 in. and 3 in. round takeoffs for woodshops and small HVAC projects. Sell ready‑to‑install ports, blast‑gate plates using the punched slugs, and bespoke plenum boxes sized to client layouts.
Smoker/Grill Mod Shop
Provide airflow, clean‑out, and accessory port upgrades on steel smokers and grills. Offer packages with adjustable dampers made from the punched slugs, thermometer and fan mounts, and stainless baffles. Quick, clean hole-making is a differentiator over plasma for these sizes.
Metal Disc & Ring Blanks for Makers
Monetize the offcuts by selling precisely sized 2-1/2–4 in. steel and stainless discs (and matching negative rings) as coasters, bases, knife-templating blanks, and art components. Promote tolerance, finish quality, and size variety thanks to the laser‑etched, easy‑to‑sort kit.
Creative
Dust-Collection Plenum With 4" Ports
Fabricate a custom sheet‑metal plenum or modify tool cabinets with clean 4 in. takeoffs for dust hoses. The embedded magnets and crosshair markings make it easy to align the punch exactly where ducts need to land, and the kit’s capacity handles sturdy 10 ga mild steel cabinets. Use the 4 in. die for hose connections and the 2-1/2–3-1/2 in. sizes for auxiliary branches.
Smoker/Grill Airflow Controller
Punch precise 2-1/2–4 in. intake/exhaust holes in grill or smoker doors and fireboxes for tunable airflow. Turn the punched slugs into rotating dampers or sliding shutters by drilling a pivot and adding a handle. The crosshairs help you center holes in curved doors, and stainless up to 12 ga lets you work on high-heat parts.
Hydroponic/Planter Net-Pot Lids
Convert metal tubs or sheet‑metal lids into hydroponic systems by punching 3 in. openings that fit standard net pots. Add grommets or collars for clean edges. Use the magnets to keep dies stuck in place while you align pot spacing with the laser‑etched markings.
Industrial Pendant Lamps and Sconces
Create perforated lamp shades or wall sconces by punching patterned arrays of 2-1/2–4 in. circles into mild steel. The crisp cut edges cast dramatic light patterns. Reuse the steel slugs as decorative end caps, counterweights, or layered medallions on the fixture.
Modern Metal Wall Art From Rings and Discs
Punch large holes in sheet to create negative-space graphics, then weld or braze the 2-1/2–4 in. discs into geometric mosaics. The crosshairs make symmetric layouts simple, and the TOUGHSYSTEM box keeps sizes organized for repeatable patterns.