Greenlee 4" Standard Round Kno...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$560.66
$510.66
Greenlee K3P-4 4" Conduit Size Standard Round Knockout Punch

Greenlee 4" Standard Round Knockout Punch for Conduit Installation

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Model: K3P-4
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$560.66
$510.66
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Greenlee 4" Standard Round Knockout Punch for Conduit Installation

Professional-Grade Knockout Punch for Electrical Conduit Applications

The Greenlee 4" Standard Round Knockout Punch delivers reliable performance for electrical contractors and professionals requiring precise conduit openings. Made in USA with laser markings for quick part identification, this knockout punch is optimized for mild steel with limited stainless steel capability. Compatible with Greenlee battery-hydraulic knockout drivers, manual-hydraulic knockout drivers, or ratchet wrench systems for versatile installation options.

Professional Features & Benefits

  • 4" Conduit Size Capacity: Creates precise 4.54" (115.4 mm) openings for standard conduit installations with professional accuracy.
  • Made in USA Construction: Ensures consistent quality and durability for demanding electrical applications and long-term reliability.
  • Multi-Material Compatibility: Works effectively in mild steel, stainless steel, brass, copper, aluminum, fiberglass and plastics for diverse project requirements.
  • Laser Part Identification: Quick identification markings reduce setup time and ensure proper tool selection on job sites.
  • Versatile Driver Compatibility: Works with Greenlee battery-hydraulic, manual-hydraulic knockout drivers, or ratchet wrench systems for flexible operation.
  • Standard Round Design: Provides clean, professional knockout holes for electrical conduit and cable management systems.
  • Optimized Steel Performance: Punches 10 ga mild steel or 12 ga stainless steel with reliable cutting performance.

Technical Specifications

  • Capacity: Optimized for mild steel. Limited stainless steel capability
  • Country Of Origin: United States
  • Product Material: For use in mild steel, stainless steel, brass, copper, aluminum, fiberglass and plastics
  • Product Shape: Round
  • Product Size: 4" Conduit (4.54" or 115.4 mm)
  • Product Type: Standard Round Punch
  • Thickness: Punch 10 ga mild steel or 12 ga stainless steel

Installation & Operation

  1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
  2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
  3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
  4. Configure any available load management or control features as supported by the provided specifications.
  5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
  6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

  • Commercial Electrical Installations
  • Industrial Panel and Enclosure Work
  • Residential Service Upgrades
  • Maintenance and Repair Operations
  • New Construction Projects
  • Retrofit and Modernization Work

Why Choose Greenlee Quality?

Greenlee knockout punches represent decades of professional tool engineering with Made in USA construction ensuring consistent performance. The laser marking system and multi-material compatibility provide the reliability and versatility electrical professionals demand for efficient, accurate conduit installation work.

Manufacturer Resources

Product Specs

Capacity:
Optimized for mild steel. Limited stainless steel capability
Country Of Origin:
United States
Product Material:
For use in mild steel, stainless steel, brass, copper, aluminum, fiberglass and plastics
Product Shape:
Round
Product Size:
4" Conduit (4.54" or 115.4 mm)
Product Type:
Standard Round Punch
Thickness:
Punch 10 ga mild steel or 12 ga stainless steel

Greenlee K3P-4 – Frequently Asked Questions

How fast can I get the Greenlee K3P-4 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Greenlee K3P-4 come with a warranty?
Absolutely. The Greenlee K3P-4 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Greenlee K3P-4?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Greenlee K3P-4 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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