Greenlee 52085683 4" Standard Round Knockout Punch, Mild Steel

Greenlee 52085683 4" Standard Round Knockout Punch, Mild Steel

The Greenlee 52085683 is a 4" conduit size Standard Round Knockout Punch designed for cutting clean, precise round openings in electrical enclosures, panelboards, and equipment housings. Sized for a 4" conduit opening (4.54" or 115.4 mm cutting diameter), this punch is engineered to deliver fast, burr-free knockouts and directly replaces the Greenlee 2984AV. Built for professional electricians and panel shops, this round punch is optimized for mild steel with limited stainless steel capability, making it a dependable choice for both standard enclosure work and select stainless applications. Its compact footprint and consistent cutting performance make it a practical addition to any electrician's tool kit for panel fabrication and conduit entry preparation.

Key Features

• Trade Size: Punches a 4" conduit size opening (4.54" or 115.4 mm) for accurate, code-ready conduit entry points.
• Direct Replacement: Replaces the Greenlee 2984AV, allowing drop-in compatibility for existing punch driver setups.
• Material Capacity: Optimized for mild steel with limited stainless steel capability, giving versatility across common enclosure materials.
• Cutting Thickness: Rated to punch 10 ga mild steel or 12 ga stainless steel for reliable performance on standard gauge panel stock.
• Standard Round Punch Design: Produces a clean, consistent round knockout for a professional, code-compliant finish every time.
• Compact Footprint: Measures approximately 4.028 IN long, 4.015 IN wide, and 4.015 IN high for easy handling and storage in a tool bag or case.

Technical Specifications

• Product Type: Standard Round Punch
• Product Size: 4" Conduit (4.54" or 115.4 mm)
• Capacity: Optimized for mild steel. Limited stainless steel capability
• Thickness: Punch 10 ga mild steel or 12 ga stainless steel
• Product Height: 4.015 IN
• Product Length: 4.028 IN
• Product Width: 4.015 IN
• Volume: 64.93 CI
• Country Of Origin: US

Typical Applications

• Electrical Panelboard and Enclosure Fabrication
• Conduit Entry Point Preparation
• Commercial and Industrial Electrical Installations
• Replacement Punch for 2984AV Tooling Setups
• Mild Steel and Select Stainless Steel Enclosure Work

Why Greenlee?

Greenlee builds knockout punches engineered for accuracy and durability on the jobsite, and the 52085683 continues that standard with a precise 4" round punch rated for 10 ga mild steel or 12 ga stainless steel. As a direct replacement for the 2984AV, it's a dependable choice for electricians who need consistent, code-ready knockouts without switching driver systems. Backed by Greenlee's reputation for jobsite-ready tooling, this punch delivers repeatable results for panel shops and field electricians alike.